air pump and water pump 抽气机及水泵
Water Pump and Station 水泵与水泵站
Circulating and cooling water pump 循环和冷却水泵
water pump pulley and fan 水泵滑车及风扇
Motor and water pump 电机水泵
Water Heater And Water Pump 产品名
water pump and fan 水泵与风机
fan and water pump 风机水泵
vent and water pump 风机水泵
He bought a new water boiler with a digitally controlled pump, and wrapped insulation around the pipes.
他买了一个带有数字控制泵的新水锅炉,并在管道周围包裹了绝缘材料。
The pump doesn't work and we have no running water.
这个水泵不运转了,我们没有自来水。
Some villages do not have a well and pump, so they have to fetch water with containers from miles far away.
一些村庄没有井和水泵,所有他们要用容器去很远的地方取水。
A simple water pump is helping to improve the lives of poor families in several Asian and African countries.
VOA: special.2009.08.17
Between thirty and thirty-five women used each system to pump water from the ground or a stream.
VOA: special.2010.01.11
How many hours a day the pump needs to be operated depends on the season and how much water is needed for crops.
VOA: special.2009.08.17
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