上海閥盛閥門制造有限公司主要生產手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥，可提供手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥價格，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥說(shuo)明(ming)書，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥實(shi)物圖，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥結構圖，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥外形(xing)尺寸，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥執行標準，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥工(gong)作(zuo)(zuo)原理，手(shou)(shou)動(dong)(dong)對(dui)夾(jia)(jia)(jia)式(shi)(shi)蝶(die)閥作(zuo)(zuo)用特(te)點。

手動對夾式蝶閥技術參(can)數：