“in setting safety valves”的概念、定义、翻译、参考文献-科学参考

单词	in setting safety valves
释义	in setting safety valves 在安装安全阀时
随便看	handle for valve stem handle gouge handle guide plate handle hay rake handle head handle hole handle-insulated handle knob handle lever handle lever fastening bolt handle locking handle lock nut handle magneto hand length hand lens hand-lens magnifying glass handle of dental forceps handle of malleus handle pin handle position handler handler routine handle set screw handle setting knob handle setting plate

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