... rigger 索具装配工人；钻机安装工人；旋转钻司钻；调带轮 rigging down 钻机拆卸 rigging equipment 装配设备 ...
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Prior to lowering the top drive system or rigging down, ensure that sufficient wraps of drilling line remain on the drum.
在下放或拆卸顶驱系统之前，要保证辊筒上留有足够的大绳圈数。
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The Glide is capable of using smaller gauge line and has a simpler rigging assembly, which helps keep cost and weight down.
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