上(shang)海(hai)閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門(men)制造有限(xian)公司主要生(sheng)產煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)，可提(ti)供煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)價(jia)格，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)說明書(shu)，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)實(shi)物(wu)圖(tu)，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)結構圖(tu)，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)外形(xing)尺寸，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)執行標準，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)工作(zuo)原(yuan)理，煤(mei)(mei)氣(qi)三通(tong)(tong)(tong)切(qie)(qie)換閥(fa)(fa)(fa)作(zuo)用(yong)特(te)點。

煤氣三通(tong)切換閥(fa)技術(shu)參數：