The universal valve includes bronze gate valve, bronze ball valve, bronze globe valve and cast iron valve etc.

通用阀门主要有：青铜闸阀、青铜球阀、青铜截止阀、铸铁阀门等。

youdao

The universal valve includes bronze gate valve, bronze ball valve, bronze globe valve and cast iron valve etc.

通用阀门主要有：青铜闸阀、青铜球阀、青铜截止阀、铸铁阀门等。

youdao