integral flanged ends
整体法兰
Valves are to be of the pneumatically operated jacket pinch type with integral flanged joint ends.阀门是气动操作套管夹紧类型,带整体法兰连接装置...
integral flanged ends
整体法兰
Valves are to be of the pneumatically operated jacket pinch type with integral flanged joint ends.阀门是气动操作套管夹紧类型,带整体法兰连接装置...