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Mast and rigging
Construction and scantling of mast is to comply with installing requirements of navigation light,
radar, direction finder, signal and other auxiliary equipments.
Jack staff and poop staff are to be set up on fore and aft respectively. The staff shall be
assorted with roller, rope and cleat etc. accessories.
这里的direction finder , jack staff and poop staff什么意思啊？ |
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发表于 2007-9-28 16:41
提升卡
变色卡
