英语词汇“block pulley”的翻译、意思、用法、释义-英汉汉英双解词典-爱贷网

词汇	block pulley
释义	block pulley 基本例句滑轮组;神仙葫芦 Crevasse rescue is one of the more complicated mountaineering techniques, sometimes requiring pulley systems and multiple haul lines.裂缝救援是一项更副复杂一些的登山技术，有时候需要滑轮组和多组拖曳绳。
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