- rod slap
- 钻杆: bull rod; bar; rod; drill st ...
- 撞击: impact; ram; dash against; s ...
- 钻杆撞击井壁使井眼局部扩大: whiout
- 抽油杆撞击: rod whip
- 撞击: 1.(撞) impact; ram; dash against; strike; knock; hit against 激 流对海岸的撞击 the impact of the swift current against the shore; 波浪撞击着岩石。 the breakers dashed on the rocks.2.[工业] liquid knockout; percussion; shock; impingement; brunt; impaction; wipe
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