上(shang)海閥(fa)(fa)(fa)盛閥(fa)(fa)(fa)門制造有限公司(si)主要生產手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)，可提供(gong)手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)價格(ge)，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)說明(ming)書，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)實物(wu)圖，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)結構(gou)圖，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)外形尺寸(cun)，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)執行標準，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)工作原(yuan)理，手動(dong)(dong)角(jiao)(jiao)型(xing)(xing)(xing)(xing)(xing)煙(yan)道(dao)閥(fa)(fa)(fa)作用(yong)特點。

手動角型煙道閥技術(shu)參數：