One approach has been to use variable-lift inlet valves that can be raised or lowered to different heights, depending on the amount of power needed.
一种途径通过所需的能量总数来使用可变化升降的入口阀门，它能以不同的高度升降。
Sprinkler is equipped with a centrifugal pump, the pump every time before water, must be added to a certain amount of water to the pump, plus the need to close the water inlet.
洒水车配备的是离心式洒水泵，该泵每次吸水前，必须向水泵内加入一定量的引水，加完后必须关闭加水口。
Seal leakage test on the inlet valve under a hydrostatic pressure equal to maximum static head. The leakage shall not exceed the amount guaranteed by the Contractor.
对入口阀在最大静水压力下的密封泄漏试验。泄漏量不得超过承包商所保证的量。
Further, the fluid filter provides that the bypass inlet is dimensioned to permit a predetermined amount of flow.
进一步，所述流体过滤器使得旁路入口的尺寸被设计为允许预定流量的流体通过。
Results show that with the same oil amount, the new oil supply style needs a lower gas velocity in the inlet to shape the annular flow, and the oil drops will not appear in air flow.
在相同供油量情况下，新供油方式形成环状流需要的入口气相速度低，且气速增大时一般不会形成夹带液滴，能够实现较好的环状流流型。
Results show that with the same oil amount, the new oil supply style needs a lower gas velocity in the inlet to shape the annular flow, and the oil drops will not appear in air flow.
在相同供油量情况下，新供油方式形成环状流需要的入口气相速度低，且气速增大时一般不会形成夹带液滴，能够实现较好的环状流流型。
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