At the bottom are workhorses, which pump out protein code.
底部则是劳力，是产生蛋白质编码的基因。
Pump impeller loose, grinding to pump out the bottom end caps.
水泵叶轮松动，磨到水泵出水底端盖。
Install drain hose to vent tube at bottom of pump.
在水泵底部安装排放管到排水管。
Liquid through the bottom valve 6and the suction tube into the pump.
液体经底阀6和吸入管进入泵内。
One end of the pump body is provided with a detachable bottom board.
泵体一端装有可拆卸的底板。
One end of the pump body is provided with a detachable bottom board.
泵体一端装有可拆卸的底板。
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