rescue pulley 中文意思是什麼
rescue pulley
解釋
救難滑輪-
Crevasse rescue is one of the more complicated mountaineering techniques, sometimes requiring pulley systems and multiple haul lines
裂縫救援是一項更副復雜一些的登山技術,有時候需要滑輪組和多組拖曳繩。
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