题目内容

在工业产品的生产中,应用模具的目的是什么?

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常用的仿形触头有:______、______、______。

在正弦分中夹具上,工件的安装方法通常有如下两种:心轴装夹法,双顶尖装夹法。( )

编制如图6-2所示凹模线切割程序,采用3B代码格式,穿丝孔为O点,加工顺序O→A→B→C→D→E→F→A→O,选用钼丝直径为φ0.18mm,单边放电间隙δ=0.01mm。(尖角处不需加过渡圆弧)

According to the passage, people were against the Vietnam War may be as a result of____________.

A. the influence of news broadcast on peoples emotions
B. the anger from the audiences of all nations
C. the extensive coverage of the War
D. the viewing of American armys cruel behaviors on TV

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