Spillway drop inlet 直井式溢水道
drop inlet culvert 设竖井式进水口的涵洞
drop-inlet dam 跌水进口式土坝
Drop inlet dam 垂流涵洞坝
Drop inlet spillway 直井式温水道
inlet air temperature drop 进给空气温度下降
Crane globe valves are highly efficient for services requiring frequent operation and throttling when pressure drop across the valve is about 20% of inlet pressure.
当通过阀门的压降为管路压力的20%左右时，美国克雷恩截止阀就能够高效应用在频繁操作和节流的应用场合。
For compressible fluids, where pressure drop exceeds half the inlet pressure.
对于可压缩性流体，如果压降超过进口压力的一半。
Through the contrastive test on the pressure characteristic of inlet structure, the relation that the inlet structural dimension and operation parameter affect the pressure drop has been established.
通过对入口压力特性的对比试验，建立了入口结构尺寸及运行参数对压力损失的影响关系，为水力旋流器入口结构及参数的合理设计提供了依。
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