There is a manual pump to get rid of the water.
有一台手动水泵用来排水。
Our technology allows the longest "hold" and flow time ever in a Manual Pump.
我们的技术允许最长的“持有”并流有史以来在手动泵。
The opening and the closing of the gate valve are realized by a manual pump; the past bulky gate valve with a hand-operated screw rod is replaced.
闸阀的开启和关闭靠手动泵来实现，取代了过去手摇丝杠的笨重闸阀。
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