Check correct fixing of rope clips.
检查绳夹安装是否正确。
Check power tongs and spinning rope are on drill floor.
检查动力钳和尾绳是否在钻台上。
Check the steel rope. If the broken number exceeds 6 within a lay length, a new steel rope will be needed.
检查钢丝绳，若发现钢丝绳在一个搓绕节距长度内折断根数超过6根时，需更换新的钢丝绳。
Often check the chain of the guide rail type of the tightness of the chain, the oil wire rope to periodically check the tightness of the oil wire rope.
经常检查一下导轨式升降机的链条的松紧程序，有油丝绳的要定期检查油丝绳 的松紧程度。
Often check the chain of the guide rail type of the tightness of the chain, the oil wire rope to periodically check the tightness of the oil wire rope.
经常检查一下导轨式升降机的链条的松紧程序，有油丝绳的要定期检查油丝绳 的松紧程度。
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