夹紧力通过工件传至()造成工件变形和定位基准位移。
A、支承元件
B、外平面
C、内平面
D、端面
参考答案:A
阅读下列电视广告词“If we didn’t save water, the last drop of water would be our tear(眼泪) drop.”根据提示写一篇80词左右的短文。 要求:字迹端正,语句通顺,语法正确。
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模拟乘法器按照电路工作原理分类有()
A、五种类型
B、四种类型
C、三种类型
D、两种类型