oil pumping

短语词组

短语

• oil l pumping can 泵式油壶
• oil free pumping 无油排气
• oil -pumping 油电泵
• oil fuel pumping units 燃油泵组
• oil well pumping 抽油泵
• oil transporting pumping station 输油泵站
• producing oil well pumping 抽油井
• oil l pumping unit 抽油机
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