air pump and water pump 抽气机及水泵
waterflood pump water inject-pump 注水泵
Air Pump Water Pump 空气泵水泵
water-pump&air pump 水泵气泵
We had to move water by a chain pump because the electric pump had broken down.
抽水机坏了,只好用人工车水。
The Geothermal Heat pump: the pump USES a small amount of electricity to pump a mixture of water and antifreeze through two loops of pipe in the ground Paul wootton.
地热泵的工作方式与普通的热力泵相同,区别只是地热泵是从地下吸热而不是从空中。在冬季,地热泵会将水与乙二醇(防冻剂)的混合物泵入深入地热井的管道中进行循环。
The device has a wave (or swell) pump to pump sea water to a hilltop.It USES the energy of the water in which it floats to pump the stored potential energy.
该设备有一个波浪泵(膨胀泵)能将海水泵送到高处,它利用波浪的能力产生泵送的动力,并将波浪能转化为位能。
There have been several proposals to pump water into the Dead Sea from the Red Sea or the Mediterranean.
VOA: special.2009.05.18
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
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