pumping rod

短语词组

短語

• oil pumping with rod 有杆抽油
• pumping by rod pump 杆式抽油泵
• pumping with rod 有杆泵
• pumping sucker rod 抽油杆
• pumping rod diameter 杆逕
• coiled pumping rod 連續抽油杆
• hollow pumping rod production 空心杆採油
• continuous pumping rod 連續抽油杆
• double hollow pumping rod 雙空心杆
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