KINGPOST - vertical strut on top of glider that supports negative rigging and luff line systems.
主桅杆—滑翔机顶部的垂直立柱，悬挂负面张线索具和反曲线挂绳系统。
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。
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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