“safety hook”的概念、定义、翻译、参考文献-科学参考

单词	safety hook
释义	safety hook [`sāf·tē ´hu̇k] ^{DESIGN ENGINEERING} A hoisting hook with a spring-loaded latch that prevents the load from accidentally slipping off the hook.
随便看	London shrinkage London superconductivity theory London superfluidity theory lone-pair electrons long-base-line system long bone long card long clay long column long-conductor antenna long-day plant long discharge long-distance loop long-distance navigation long-distance xerography longeron long-flame burner long-haul carrier system long-haul radio long hole long-hole drill long-hole jetting long hundredweight Longhurst-Hardy plankton sampler longicollous

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