monitor valve造句

例句与造句

1. The serious troubles may be take place when the fouling is generated on main vapor valves , monitor valves and the valve
   若主汽阀、调节阀以及抽汽逆止阀的阀杆上结垢引起卡涩，还可能导致汽轮机发生严重事故。
2. It's difficult to find monitor valve in a sentence. 用monitor valve造句挺难的