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pumps water

pumps water

pumps water

pumps water

2

The oscillator , a large paddle that moves to and fro with the waves, is attached to a piston which pumps water to the shore .

这个振荡器就像一个巨大的桨一样，被海水来回地翻动，同时带动活塞将海水抽到岸上。

3

This week , the Red Cross donated pumps, water-testing equipment and spare parts to the Zimbabwe National Water Authority.

这个星期，红十字会向津巴布韦国家水务部门捐赠了水泵、化验水的设备，以及维修配件。

4

The powerful tongue pumps water like a piston .

强大的舌头像活塞一样泵水。

5

Another machine pumps water for irrigation .

另一台机器用于抽水灌溉农田。

7

We want to buy Metering Pumps , Dosing Pumps , Water Treatment Controllers Pumps and Pumping Equipment .

我们要采购计量泵，定量泵，水处理控制器水泵和抽水设备。

9

To meet demand for power , the dam actually pumps water back upstream and reuses it. (See pictures of India's turning points. )

为了满足电力的需要，大坝实际上抽回上游的水并且重新利用。

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