疏水阀的背压率是指什么?我看到疏水阀的性能表中常看到背压率是进口压力的50%""一说,是否即是出口压力是进口压力的50%?hai更多疏水阀产品资料:http://co.163.com/neteaseivp/ecatalog/index.jsp?sortType=1&way=1&firclass=28&firName=%u9600%u95E8&secclass=3696&secName=%u758F%u6C34%u9600
更多疏水阀产品资料:http://co.163.com/neteaseivp/ecatalog/index.jsp?sortType=1&way=1&firclass=28&firName=%u9600%u95E8&secclass=3696&secName=%u758F%u6C34%u9600