机械类词汇大全-21

841 、 埋头铆钉 countersinkheadrivet 842 、 埋头锥孔 countersink 843 、 埋头螺栓 countersinkheadbolt 844 、 埋头螺丝 countersinkheadscrew 845 、 埋头钻 countersinkdrill 846 、

机械类词汇大全-44

1807 、 谐振；共振；共鸣 resonance 1808 、 输入 input 1809 、 输入 / 输出插座 I/Oport 1810 、 输入特性 inputcharacteristics 1811 、 输入装置 inputdevice 1812 、 输出 ou

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Feifei: Hello and welcome to the Authentic Real English. We're in Finn's kitchen, and he's hard at work. Finn: Hello. Feifei: Finn. What are you doing? Finn: (Sawing sounds) Just sawing this table. Feifei: Sawing the table? Why? Finn: To make it roun