“iumper boring bar”的概念、定义、翻译、参考文献-科学参考

单词	iumper boring bar
释义	iumper boring bar 冲击钻孔器
随便看	luffing motor luffing winch lug luganot lugarite lug bar lug bolt lug boss lug brick lug dowel luge lug flange luggage-boot key luggage-boot lid luggage carrier luggage carrier extension luggage carrier for vehicle luggage compartment luggage compartment floor luggage compartment lamp luggage compartment light luggage compartment lining luggage compartment mat luggage compartment trimming luggage elevator

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