Fresh water pumps are frequently described by how many outlets they can supply (" for 2-3 faucets ").
人们经常把淡水泵描述为他们可以供应水给多少个水龙头用(“2 - 3水龙头”)。
Fire trucks were due to be replaced by portable pumps and the water supply from seawater to fresh water.
他们计划用消防车来取代便携式水泵，用淡水取代海水。
We use pumps to feed fresh water into the boiler.
我们用抽水机给锅炉加水。
When the pumps are shut down for maintenance or fresh-water flushing, massive amount of water can backflow through the pipes, damaging the pumps.
当泵关闭进行维护保养或用淡水进行冲洗时，大量的水就可能通过管道回流，从而损坏泵。
On-demand pumps have a pressure switch that makes the pump build up pressure in the fresh water line.
按需水泵有一个压力开关，使泵在淡水输送线上产生压力。
On-demand pumps have a pressure switch that makes the pump build up pressure in the fresh water line.
按需水泵有一个压力开关，使泵在淡水输送线上产生压力。
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