The Driller ensures that the safety latch springs are replaced on the tong pins.
司钻要确保大钳销钉上的安全锁定弹簧被放到原位。
The driller ensures that the safety latch springs are replaced on the tong pins.
钻工们卸掉安全扣合弹簧和大钳销子，换上与要上扣的钻具或管具相匹配的钳头。
The Floormen remove the safety latch springs and the tong pins and change the tong jaws to match the size of the pipe or tubular to be made up.
钻工取下安全弹簧和大钳销子换上合适尺寸的钳头以匹配钻杆或管子的尺寸。
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