“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	topping lift top plate topple topple axis top quark top rail topset bed top shell topside sounder top slicing top slicing and cover caving topsoil top steam topwork tor TORAN torbanite torbernite torch torchon toric lens toric surface tornado tornado belt tornado cellar

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