试题与答案

一般加工条件下,性能较好的脉冲电源,加工1000mm2的面积时,电极丝的损耗应小于(

题型:单项选择题

题目:

一般加工条件下,性能较好的脉冲电源,加工1000mm2的面积时,电极丝的损耗应小于()。

A、0.01mm

B、0.1mm

C、0.001mm

D、0.0001mm

答案:

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参考答案:静物摄影是指对静止无生命力的物体的拍摄,主要通过构图、布局、光线与影调及色彩的处理来表现被摄体的质感、立体感及外在特征。

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