The water flow velocity in the suction pipe, which is crucial for evaluating the performance on pumping fish, can be measured by the pumped water flow rate of the riser in an air lift pump system.

气力提升泵的水输送量反映了提升管进口的流速情况，而进口流速是衡量吸鱼效果的重要因素。

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The heat pipe is used as the collector for solar energy heating system with water source heat pump.

采用热管作为集热器的水源热泵式太阳能供暖系统。

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It is realized by referring to a system formed by an ash bucket, ash storage pump, ash transporting pipe, and the air make-up pipe for compressed air.

该方法借助于灰斗、灰仓泵、输灰管、压缩气补气管组成的系统实现。

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