When picking up drill pipe, visually check each joint of pipe picked up to be sure it is in proper sequence according to weight, grade and class as designed.

串接钻具时，要按照设计逐根检查，以便确认每个单根的重量、钢级和下井顺序正确无误。

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When picking up or setting down drill collar stands larger than 6 1/4" on the floor board, always snub with the air tugger."

当在钻杆盒上提起或放置直径大于6 1／4〞的钻铤立柱时，一定要用气动绞车拉住以保安全。

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Murray said that technical difficulties prevented the microphone from picking up sound, the drill steel was blocking the microphone, and a line broke.

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