“lifting hook”的概念、定义、翻译、参考文献-科学参考

单词	lifting hook
释义	lifting hook Encyclopedia 工学〔专用零部件〕释 lifting hook吊钩起重机械中最常见的一种吊具，常借助于滑轮组等部件悬挂在起升机构的钢丝绳上。
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