上海閥(fa)(fa)盛(sheng)閥(fa)(fa)門(men)制造有限公(gong)司主(zhu)要生產手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)，可提(ti)供手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)價格，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)說明(ming)書，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)實物(wu)圖(tu)，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)結(jie)構圖(tu)，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)外(wai)形尺寸(cun)，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)執(zhi)行標準，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)工作(zuo)原理，手動(dong)(dong)角(jiao)(jiao)型(xing)煙(yan)(yan)道(dao)閥(fa)(fa)作(zuo)用特點。

手動角型煙道閥技術參數：