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液体经底阀6和吸入管进入泵内。
Liquid by the end of valve tube 6 and inhaled into the pump.
youdao
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液体经底阀6和吸入管进入泵内。
Liquid through the bottom valve 6and the suction tube into the pump.
youdao
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液体经底阀6和吸入管进入泵内。
Liquid through the bottom valve 6and the suction tube into the pump.
youdao