英语词汇“bottom hook”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	bottom hook
释义	bottom hook 基本例句下钩 Riggers and signal persons also need standard training and testing to ensure safety under the hook.装配工人和发信号的人也需要标准的培训和测试，以确保安全下钩。
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