To prevent misuse, and some special valve and use a special connector between cylinders.
为了防止误用，有些专用减压阀与钢瓶之间采用特殊连接口。
Import boxes are a special form of cut-off valve.
进口隔膜阀是一种特殊形式的截断阀。
Special rapid release vent valve, mold down.
特制急速放泄阀门，开模下降。
Special rapid release vent valve, mold down.
特制急速放泄阀门，开模下降。
应用推荐