上海閥盛閥門制造有限公(gong)司主要生產直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥，可提供直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥價格，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥說(shuo)明書，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥實物圖(tu)，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥結構圖(tu)，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥外形(xing)尺寸(cun)，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥執行標準，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥工(gong)作(zuo)(zuo)原理，直(zhi)(zhi)通(tong)(tong)(tong)雙(shuang)(shuang)(shuang)向(xiang)球(qiu)閥作(zuo)(zuo)用特點(dian)。

直(zhi)通雙(shuang)向(xiang)球閥(fa)技(ji)術(shu)說明(ming)：