氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)的(de)(de)基本(ben)結構1緩(huan)(huan)(huan)沖(chong)(chong)密(mi)(mi)封(feng)(feng)(feng)圈(quan)2磁環3緩(huan)(huan)(huan)沖(chong)(chong)套4缸(gang)(gang)(gang)(gang)(gang)筒5導向套6防塵圈(quan)7前端蓋8前氣(qi)(qi)(qi)(qi)口9磁性(xing)(xing)開關(guan)10活(huo)(huo)(huo)塞(sai)桿11耐磨環12活(huo)(huo)(huo)塞(sai)密(mi)(mi)封(feng)(feng)(feng)圈(quan)13后端蓋14緩(huan)(huan)(huan)沖(chong)(chong)調(diao)節螺栓缸(gang)(gang)(gang)(gang)(gang)筒通(tong)常(chang)(chang)(chang)由無縫鋼管制(zhi)(zhi)(zhi)成，工作面加工成高(gao)的(de)(de)光潔度(du)并鍍(du)有硬鉻，使摩(mo)擦和(he)磨損減低到最小值·端蓋由鋁(lv)合金或(huo)可(ke)(ke)鍛鑄鐵(tie)制(zhi)(zhi)(zhi)成并用(yong)(yong)拉(la)桿夾(jia)緊缸(gang)(gang)(gang)(gang)(gang)筒，小型(xing)氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)是(shi)(shi)用(yong)(yong)螺紋或(huo)碾(nian)邊(bian)固定(ding)缸(gang)(gang)(gang)(gang)(gang)筒·鋁(lv)合金、黃銅、青或(huo)不銹(xiu)鋼制(zhi)(zhi)(zhi)成的(de)(de)筒可(ke)(ke)用(yong)(yong)于腐蝕性(xing)(xing)和(he)不安全(quan)的(de)(de)環境中。不同(tong)型(xing)式的(de)(de)密(mi)(mi)封(feng)(feng)(feng)保證了氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)的(de)(de)密(mi)(mi)封(feng)(feng)(feng)性(xing)(xing)。緩(huan)(huan)(huan)沖(chong)(chong)氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)能有很高(gao)的(de)(de)速(su)度(du)，因此在行程(cheng)(cheng)的(de)(de)終端會(hui)產(chan)生很大(da)的(de)(de)沖(chong)(chong)擊力(li)·所以小氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)也常(chang)(chang)(chang)常(chang)(chang)(chang)安裝緩(huan)(huan)(huan)沖(chong)(chong)，即用(yong)(yong)橡(xiang)膠減震墊來(lai)吸(xi)(xi)收(shou)沖(chong)(chong)擊和(he)預防氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)內(nei)部故(gu)障·對于大(da)氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)，沖(chong)(chong)擊可(ke)(ke)用(yong)(yong)氣(qi)(qi)(qi)(qi)緩(huan)(huan)(huan)沖(chong)(chong)來(lai)減震，使活(huo)(huo)(huo)塞(sai)到達(da)(da)行程(cheng)(cheng)未端區(qu)域時(shi)減速(su)·這(zhe)種(zhong)緩(huan)(huan)(huan)沖(chong)(chong)的(de)(de)吸(xi)(xi)收(shou)是(shi)(shi)靠(kao)氣(qi)(qi)(qi)(qi)缸(gang)(gang)(gang)(gang)(gang)達(da)(da)至行程(cheng)(cheng)末端時(shi)空(kong)氣(qi)(qi)(qi)(qi)由泄放通(tong)道排(pai)出(chu)實現，通(tong)過可(ke)(ke)調(diao)節流閥可(ke)(ke)改變活(huo)(huo)(huo)塞(sai)的(de)(de)運動(dong)速(su)度(du)。當緩(huan)(huan)(huan)沖(chong)(chong)活(huo)(huo)(huo)塞(sai)出(chu)入(ru)緩(huan)(huan)(huan)沖(chong)(chong)密(mi)(mi)封(feng)(feng)(feng)體時(shi)，從排(pai)氣(qi)(qi)(qi)(qi)口正常(chang)(chang)(chang)排(pai)人大(da)氣(qi)(qi)(qi)(qi)的(de)(de)空(kong)氣(qi)(qi)(qi)(qi)被封(feng)(feng)(feng)閉(bi)，空(kong)氣(qi)(qi)(qi)(qi)只能通(tong)過可(ke)(ke)調(diao)節流口排(pai)出(chu)，這(zhe)樣(yang)空(kong)氣(qi)(qi)(qi)(qi)就被壓縮成相當高(gao)的(de)(de)壓力(li)從而制(zhi)(zhi)(zhi)動(dong)活(huo)(huo)(huo)塞(sai)的(de)(de)慣(guan)性(xing)(xing)·當活(huo)(huo)(huo)塞(sai)反向時(shi)，緩(huan)(huan)(huan)沖(chong)(chong)密(mi)(mi)封(feng)(feng)(feng)件的(de)(de)作用(yong)(yong)如同(tong)一個單向閥，允許(xu)空(kong)氣(qi)(qi)(qi)(qi)自由流向活(huo)(huo)(huo)塞(sai)·這(zhe)種(zhong)緩(huan)(huan)(huan)沖(chong)(chong)形式由于會(hui)限制(zhi)(zhi)(zhi)空(kong)氣(qi)(qi)(qi)(qi)的(de)(de)流量和(he)抑制(zhi)(zhi)(zhi)活(huo)(huo)(huo)塞(sai)的(de)(de)加速(su)，所以緩(huan)(huan)(huan)沖(chong)(chong)沖(chong)(chong)程(cheng)(cheng)越(yue)短(duan)越(yue)好。浙江歐雷凱(kai)氣(qi)(qi)(qi)(qi)動(dong)有限公司專(zhuan)注(zhu)于氣(qi)(qi)(qi)(qi)動(dong)產(chan)品(pin)研發和(he)制(zhi)(zhi)(zhi)造以確保產(chan)品(pin)質量和(he)性(xing)(xing)能水平。北(bei)京腳踏閥氣(qi)(qi)(qi)(qi)動(dong)閥門型(xing)號

真(zhen)空(kong)(kong)(kong)壓(ya)力(li)開(kai)(kai)(kai)關(guan)(guan)(guan)真(zhen)空(kong)(kong)(kong)壓(ya)力(li)開(kai)(kai)(kai)關(guan)(guan)(guan):是(shi)用于(yu)檢測真(zhen)空(kong)(kong)(kong)壓(ya)力(li)的開(kai)(kai)(kai)關(guan)(guan)(guan);當真(zhen)空(kong)(kong)(kong)壓(ya)力(li)未達到設(she)定值時,開(kai)(kai)(kai)關(guan)(guan)(guan)處于(yu)斷開(kai)(kai)(kai)狀態(tai).當達到設(she)定值時,開(kai)(kai)(kai)關(guan)(guan)(guan)處于(yu)接通狀態(tai).發出電信號,指揮(hui)真(zhen)空(kong)(kong)(kong)吸附機構動(dong)作(zuo).在真(zhen)空(kong)(kong)(kong)系(xi)統(tong)存在泄漏、吸盤(pan)破損或氣源壓(ya)力(li)變動(dong)等(deng)原(yuan)因而影響(xiang)到真(zhen)空(kong)(kong)(kong)壓(ya)力(li)大小(xiao)(xiao)時,裝上真(zhen)空(kong)(kong)(kong)壓(ya)力(li)開(kai)(kai)(kai)關(guan)(guan)(guan)便可保證(zheng)真(zhen)空(kong)(kong)(kong)系(xi)統(tong)安全可靠的工作(zuo).按功能分：通用型和小(xiao)(xiao)孔口吸著(zhu)確認(ren)型（利用氣橋(qiao)原(yuan)理，壓(ya)力(li)傳感器(qi)檢測壓(ya)差）按電觸(chu)點(dian)分：無觸(chu)點(dian)式(shi)（電子式(shi)），有觸(chu)點(dian)式(shi)（磁性舌簧開(kai)(kai)(kai)關(guan)(guan)(guan)式(shi)等(deng)）青海快速(su)排氣閥氣動(dong)閥門價格浙江歐雷凱氣動(dong)有限(xian)公司(si)致力(li)于(yu)提(ti)供氣動(dong)產品，有需要可以聯系(xi)我司(si)。

氣體(ti)狀態術語定義［密(mi)度(du)ρ］單(dan)位(wei)體(ti)積內所含氣體(ti)的(de)(de)質量稱為(wei)密(mi)度(du)。單(dan)位(wei)為(wei)kg/m3。［壓(ya)(ya)(ya)(ya)力(li)(li)(li)p］壓(ya)(ya)(ya)(ya)力(li)(li)(li)可用(yong)(yong)爵懟(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)、表(biao)(biao)壓(ya)(ya)(ya)(ya)力(li)(li)(li)和真空度(du)來衡量。［爵懟(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)］以(yi)爵懟(dui)真空作(zuo)為(wei)起點的(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)值(zhi)。一般在(zai)表(biao)(biao)示爵懟(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)的(de)(de)符號的(de)(de)右腳標注“ABS”，即PABS［表(biao)(biao)壓(ya)(ya)(ya)(ya)力(li)(li)(li)］高出(chu)當(dang)地大氣壓(ya)(ya)(ya)(ya)的(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)值(zhi)。由壓(ya)(ya)(ya)(ya)力(li)(li)(li)表(biao)(biao)測得的(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)值(zhi)即為(wei)表(biao)(biao)壓(ya)(ya)(ya)(ya)力(li)(li)(li)。在(zai)工程計算中，常將當(dang)地大氣壓(ya)(ya)(ya)(ya)力(li)(li)(li)用(yong)(yong)標準大氣壓(ya)(ya)(ya)(ya)力(li)(li)(li)代替，即令Pa=101325Pa。［真空度(du)］低于當(dang)地大氣壓(ya)(ya)(ya)(ya)的(de)(de)壓(ya)(ya)(ya)(ya)力(li)(li)(li)值(zhi)。［真空壓(ya)(ya)(ya)(ya)力(li)(li)(li)］爵懟(dui)壓(ya)(ya)(ya)(ya)力(li)(li)(li)與大氣壓(ya)(ya)(ya)(ya)之差。真空壓(ya)(ya)(ya)(ya)力(li)(li)(li)在(zai)數值(zhi)上與真空度(du)相(xiang)同，但(dan)應在(zai)其數值(zhi)前加負(fu)號。［溫(wen)度(du)T］在(zai)工程計算中常用(yong)(yong)熱力(li)(li)(li)學溫(wen)度(du)T，其單(dan)位(wei)名稱為(wei)開[爾文]，單(dan)位(wei)符號為(wei)K，和我(wo)們生活中的(de)(de)攝氏溫(wen)度(du)（℃）換算關系為(wei)：T=t-T0，T0=273.15K

在氣(qi)動系(xi)統(tong)(tong)設計(ji)中(zhong)，需(xu)要考(kao)慮(lv)到工(gong)作(zuo)狀態(tai)、工(gong)作(zuo)負(fu)載、氣(qi)源、元(yuan)(yuan)件類型以及控制方式等(deng)因素，從而(er)做出比較好(hao)的設計(ji)方案。法蘭連接是氣(qi)動系(xi)統(tong)(tong)連接的一種形式，其連接強度好(hao)、拆卸(xie)方便，同(tong)時也適應更(geng)高的氣(qi)壓。多聯(lian)(lian)機(ji)構(gou)在氣(qi)動系(xi)統(tong)(tong)中(zhong)廣泛應用，例(li)如串聯(lian)(lian)和并聯(lian)(lian)機(ji)構(gou)，可(ke)以實(shi)現復雜的動作(zuo)，提高系(xi)統(tong)(tong)靈活性。在氣(qi)動元(yuan)(yuan)件的選(xuan)型中(zhong)，通常需(xu)要考(kao)慮(lv)瞬間(jian)流(liu)量、導(dao)向性能、耐用性等(deng)方面(mian)，更(geng)終做出比較好(hao)的選(xuan)型決策(ce)。在氣(qi)動系(xi)統(tong)(tong)的操作(zuo)過程中(zhong)，需(xu)要注意安全問題(ti)，避免(mian)因為操作(zuo)失誤而(er)造(zao)成(cheng)人(ren)員傷害或財產損失。浙江歐雷凱氣(qi)動有限公司閥門產品(pin)獲得眾多用戶的認(ren)可(ke)。

油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)/微(wei)(wei)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)能(neng)把(ba)主(zhu)路(lu)過(guo)(guo)濾(lv)(lv)器(qi)(qi)(qi)(qi)(qi)(qi)不能(neng)去除(chu)的(de)(de)(de)(de)(de)極微(wei)(wei)少(shao)的(de)(de)(de)(de)(de)塵埃和(he)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)·油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)可把(ba)壓縮(suo)空氣(qi)內小(xiao)(xiao)至0.3um的(de)(de)(de)(de)(de)粒(li)子(zi)分(fen)離(li)(li)(li)(li)(li)99.9%以(yi)上。微(wei)(wei)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)更能(neng)把(ba)小(xiao)(xiao)至0.01um的(de)(de)(de)(de)(de)粒(li)子(zi)分(fen)離(li)(li)(li)(li)(li)。空氣(qi)進入分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)后從濾(lv)(lv)芯(xin)的(de)(de)(de)(de)(de)外徑流(liu)向內徑(濾(lv)(lv)芯(xin)是(shi)(shi)由(you)過(guo)(guo)濾(lv)(lv)紙(zhi)和(he)像紙(zhi)的(de)(de)(de)(de)(de)玻璃纖維造成)，同時(shi)將雜質和(he)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)。油(you)霧(wu)(wu)(wu)一(yi)般(ban)可存在于極微(wei)(wei)小(xiao)(xiao)狀(zhuang)態，一(yi)般(ban)過(guo)(guo)濾(lv)(lv)器(qi)(qi)(qi)(qi)(qi)(qi)不容易將它分(fen)隔，而(er)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)以(yi)三種過(guo)(guo)濾(lv)(lv)形式把(ba)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)。當(dang)不同大小(xiao)(xiao)的(de)(de)(de)(de)(de)油(you)霧(wu)(wu)(wu)經(jing)過(guo)(guo)濾(lv)(lv)芯(xin)纖維時(shi)便被凝聚變成油(you)滴(di)，油(you)滴(di)聚積在過(guo)(guo)濾(lv)(lv)器(qi)(qi)(qi)(qi)(qi)(qi)底部再由(you)自(zi)動(dong)(dong)(dong)排(pai)(pai)水(shui)(shui)器(qi)(qi)(qi)(qi)(qi)(qi)放出(chu)。自(zi)動(dong)(dong)(dong)排(pai)(pai)水(shui)(shui)器(qi)(qi)(qi)(qi)(qi)(qi)自(zi)動(dong)(dong)(dong)排(pai)(pai)水(shui)(shui)器(qi)(qi)(qi)(qi)(qi)(qi)在整個空氣(qi)潔凈管(guan)路(lu)系(xi)統(tong)中，擔當(dang)將液態水(shui)(shui)從管(guan)路(lu)中排(pai)(pai)掉的(de)(de)(de)(de)(de)角色·不論是(shi)(shi)儲氣(qi)罐(guan)、冷(leng)卻(que)器(qi)(qi)(qi)(qi)(qi)(qi)、主(zhu)路(lu)過(guo)(guo)濾(lv)(lv)器(qi)(qi)(qi)(qi)(qi)(qi)、冷(leng)凍式干(gan)燥機(ji)(ji)或是(shi)(shi)油(you)霧(wu)(wu)(wu)分(fen)離(li)(li)(li)(li)(li)器(qi)(qi)(qi)(qi)(qi)(qi)，都(dou)能(neng)找到自(zi)動(dong)(dong)(dong)排(pai)(pai)水(shui)(shui)器(qi)(qi)(qi)(qi)(qi)(qi)。溢(yi)流(liu)閥在浮子(zi)關(guan)閉噴嘴時(shi)限(xian)制活塞(sai)的(de)(de)(de)(de)(de)壓力(li)，當(dang)這一(yi)空氣(qi)通過(guo)(guo)溢(yi)流(liu)閥起作(zuo)用的(de)(de)(de)(de)(de)泄(xie)漏口泄(xie)漏時(shi)，設定的(de)(de)(de)(de)(de)值保證了恒(heng)定的(de)(de)(de)(de)(de)活塞(sai)復(fu)位時(shi)間(jian)。電機(ji)(ji)驅(qu)動(dong)(dong)(dong)的(de)(de)(de)(de)(de)自(zi)動(dong)(dong)(dong)排(pai)(pai)水(shui)(shui)器(qi)(qi)(qi)(qi)(qi)(qi)是(shi)(shi)另一(yi)個類型，它設有旋(xuan)轉凸(tu)輪，撥動(dong)(dong)(dong)杠(gang)桿操作(zuo)截止(zhi)閥，定期地排(pai)(pai)除(chu)凝結物。它具有在任何方位上都(dou)能(neng)工作(zuo)的(de)(de)(de)(de)(de)優點，并能(neng)很(hen)好地抵(di)抗振動(dong)(dong)(dong)。因而(er)，用于流(liu)動(dong)(dong)(dong)壓縮(suo)機(ji)(ji)，公(gong)共汽車(che)及卡車(che)的(de)(de)(de)(de)(de)氣(qi)動(dong)(dong)(dong)系(xi)統(tong)中0浙江歐(ou)雷(lei)凱氣(qi)動(dong)(dong)(dong)有限(xian)公(gong)司致力(li)于提供閥門產品，期待(dai)您的(de)(de)(de)(de)(de)光(guang)臨！山西氣(qi)控(kong)閥氣(qi)動(dong)(dong)(dong)閥門廠家

浙(zhe)江歐雷凱氣(qi)動有(you)限公(gong)司在制品(pin)(pin)質量(liang)、產品(pin)(pin)美觀和價(jia)格方面取得平衡，以(yi)使氣(qi)動產品(pin)(pin)更具有(you)競(jing)爭力。北京腳踏閥(fa)(fa)氣(qi)動閥(fa)(fa)門型號

維(wei)(wei)修工(gong)作(zuo)(zuo)各種氣(qi)(qi)動(dong)元(yuan)件(jian)(jian)通(tong)常(chang)(chang)(chang)都(dou)給出(chu)了它們的(de)(de)耐(nai)(nai)久(jiu)(jiu)(jiu)性(xing)(xing)指標·根(gen)據耐(nai)(nai)久(jiu)(jiu)(jiu)性(xing)(xing)指標，可(ke)(ke)以大(da)致估算出(chu)某氣(qi)(qi)動(dong)系(xi)統(tong)在正(zheng)常(chang)(chang)(chang)使(shi)用(yong)(yong)(yong)條件(jian)(jian)的(de)(de)使(shi)用(yong)(yong)(yong)時間·譬(pi)如，若(ruo)電磁(ci)閥(fa)(fa)的(de)(de)耐(nai)(nai)久(jiu)(jiu)(jiu)性(xing)(xing)為1000萬次(ci)(ci)，氣(qi)(qi)缸的(de)(de)耐(nai)(nai)久(jiu)(jiu)(jiu)性(xing)(xing)為3000km，氣(qi)(qi)缸行(xing)程為200mm，閥(fa)(fa)控(kong)缸的(de)(de)切換頻率(lv)為每(mei)分鐘3次(ci)(ci)，每(mei)天工(gong)作(zuo)(zuo)20h，每(mei)年按250個工(gong)作(zuo)(zuo)日(ri)計算，則電磁(ci)閥(fa)(fa)可(ke)(ke)使(shi)用(yong)(yong)(yong)11年，氣(qi)(qi)只能(neng)使(shi)用(yong)(yong)(yong)8年。故(gu)該控(kong)系(xi)統(tong)的(de)(de)壽(shou)(shou)(shou)命為8年·因為許多因素未(wei)考慮(lv)，故(gu)這是**長壽(shou)(shou)(shou)命估算法·譬(pi)如，各種元(yuan)件(jian)(jian)中橡膠件(jian)(jian)的(de)(de)老(lao)化(hua)，金屬件(jian)(jian)的(de)(de)銹蝕，氣(qi)(qi)源(yuan)處理質量的(de)(de)優劣，日(ri)常(chang)(chang)(chang)保(bao)養(yang)維(wei)(wei)護工(gong)作(zuo)(zuo)能(neng)否(fou)堅(jian)持等，都(dou)直接影響(xiang)氣(qi)(qi)動(dong)系(xi)統(tong)的(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命·氣(qi)(qi)動(dong)系(xi)統(tong)中各類(lei)元(yuan)件(jian)(jian)的(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命差別較大(da)，像換向閥(fa)(fa)，氣(qi)(qi)缸等有相(xiang)對(dui)滑(hua)動(dong)部件(jian)(jian)的(de)(de)元(yuan)件(jian)(jian)，其使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命較短(duan)·而許多輔(fu)助元(yuan)件(jian)(jian)，由(you)于可(ke)(ke)動(dong)部件(jian)(jian)少，相(xiang)對(dui)壽(shou)(shou)(shou)命就長些·各種過濾器的(de)(de)使(shi)用(yong)(yong)(yong)壽(shou)(shou)(shou)命，主要取決于濾芯(xin)壽(shou)(shou)(shou)命，這與氣(qi)(qi)源(yuan)處理后(hou)空氣(qi)(qi)的(de)(de)質量關(guan)系(xi)很大(da)·像急停開關(guan)這種不經常(chang)(chang)(chang)動(dong)作(zuo)(zuo)的(de)(de)閥(fa)(fa)，要保(bao)證(zheng)其動(dong)作(zuo)(zuo)可(ke)(ke)靠(kao)性(xing)(xing)，就必須定(ding)期(qi)進行(xing)維(wei)(wei)護。因此，氣(qi)(qi)動(dong)系(xi)統(tong)的(de)(de)維(wei)(wei)修周期(qi)，只能(neng)根(gen)據系(xi)統(tong)的(de)(de)使(shi)用(yong)(yong)(yong)頻度，氣(qi)(qi)動(dong)裝置(zhi)的(de)(de)重要性(xing)(xing)和日(ri)常(chang)(chang)(chang)維(wei)(wei)護、定(ding)期(qi)維(wei)(wei)護的(de)(de)狀況來確定(ding)。一般是每(mei)年大(da)修一次(ci)(ci)。北京腳踏閥(fa)(fa)氣(qi)(qi)動(dong)閥(fa)(fa)門(men)型號

本文來自沈陽喜納多采暖工程有限公司：//zjlong.cn/Article/85a399821.html