三面投影体系把空间分成(填数字)个分角,我国绘制工程图在第(填数字)分角投影。
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绘制工程图时,粗实线宽度为(填数字)使用铅笔,细实线宽度为(填数字)使用铅笔。
Richard Smith wants to get a design engineer job in electrical or electronic company.
A. 对
B. 错
At present, Richard Smith is a full time student in Manchester Polytechnic college.
A. 对
B. 错