pumping out

短语词组

短語

• pumping -out test in steady flow 穩定流抽水試騐
• Interference pumping -out test 乾擾抽水試騐
• pumping station out of well 井泵站
• flow -diagram of pumping-out heating system 抽吸式系統流程圖
• pumping out system 泵出系統;抽水系統
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