Recommended Opening Procedure: The wrench-operated valve has a very large flow capacity.
推荐的开启程序：扳手型阀门流量非常大。
To select flow regulating valve, the flow capacity must be calculated first.
选择调节阀，首先要计算流通能力的大小。
To select flow regulating valve, the flow capacity must be calculated first.
选择调节阀，首先要计算流通能力的大小。
应用推荐