上海閥(fa)(fa)(fa)(fa)盛閥(fa)(fa)(fa)(fa)門(men)制造有限公司主要生產(chan)直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)，可提供直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)價格，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)說(shuo)明書，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)實物圖，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)結構圖，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)外形尺寸，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)執行標準，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)工作(zuo)原(yuan)理，直(zhi)(zhi)通(tong)(tong)雙(shuang)(shuang)向(xiang)(xiang)球(qiu)閥(fa)(fa)(fa)(fa)作(zuo)用(yong)特(te)點(dian)。

直通雙向(xiang)球閥技(ji)術說明(ming)：