How long the pipe leads from the pump to the cooling system must be found out.
必须查明这条管道从泵通到冷却系统有多少距离。

Check the circulating pump to find out whether the electric current is normal.
检查循环泵试运转电流是否正常。

When you loosen the fastening screws, engine oil will run out of the vacuum pump.
松开紧固螺钉时，发动机机油将从真空泵中流出。

Surface Read Out Technology of Unloading Fluid With Electronic Pump in Tested Wells
试油井电泵排液地面直读技术

Squeeze the rubber bulb to pump out the air from the tube, thereby creating suction.
挤压橡胶球泵的空气管, 从而创造吸力。

Cavitations occurring in the pump will bring out noise and shorten the life of the pump.
气穴的发生将产生噪声并缩短泵的寿命。

The pumping style takes out sludge directly by undewater pump or automatic coupling submersible pump.
泵吸式直接采用液下泵或自动耦合式潜污泵抽取污泥。

A device linked to some Japanese toilets has tiny loudspeakers that pump out sounds, to mask other, less attractive noises.
这种仪器与某些日产马桶相连，带有微型扬声器，可以发出声音，压过其他不雅的声音。