bottom pump

基本解释

In order to water pump suction pipe, memory, import needs bottom valve pump working, bottom valve caused great losses.
为了在泵内存水，吸入管进口需要装底阀，泵工作时，底阀造成很大的水力损失。
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Finally, in the bottom of pump axle's keyway, sectional dimension changes greatly, the keyway's root is sharp-angled, and there exist many corrosion pits.
三是泵轴的键槽底部表面处发生了截面尺寸的突变，键槽根部为尖角并有蚀坑存在等。
Applying frequency governor to bottom pump of evaporation tower and feed pump of furnace, the result showed that it is the effective way to improve the automatic level in clay unit.
通过蒸发塔底泵和护进料泵两系统采用变频调速器的数据分析表明，它是提高白土精制装置自动化水平的有效途径。

According to Nielsen, operating a car having an extremely low fuel level can cause sediment that collects at the bottom of the tank to clog the fuel pump pickup, the fuel filter or the fuel injectors.
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They build shoddier products or find faster ways to pump out services, simply to fatten their bottom lines.
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