例句 /

Electric valves open and close valves on the electric motors as a driving force for the larger valves, electric valves, the processes can be used to control the flow.

Electric valves open and close valves on the electric motors as a driving force for the larger valves, electric valves, the processes can be used to control the flow.

电动阀是以电动机作为启闭阀门的动力,用于比较大型的阀门,高级的电动阀,可以用于工艺上的流量控制。