上海(hai)閥(fa)(fa)(fa)(fa)盛閥(fa)(fa)(fa)(fa)門制(zhi)造有限公司主要生產直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)，可(ke)提供(gong)直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)價格，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)說明書，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)實物(wu)圖，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)結構圖，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)外形尺寸，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)執行標(biao)準，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)工作原理，直(zhi)(zhi)(zhi)(zhi)通(tong)(tong)(tong)雙向(xiang)(xiang)球閥(fa)(fa)(fa)(fa)作用(yong)特點。

直(zhi)通雙向球閥(fa)技(ji)術說明：