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【泵技术版每日一题】2020年2月27日(板块福利:公布答案前答对奖励10财富)

2020-02-27View Original

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117.技术攻关活动是一项( )性活动。  A、工人 B、干部 C、群众 2020年2月26日第116题答案A116.φ40H7/f6表示(A)。   A、基孔制间隙配合  B、基轴制间隙配合  C、基孔制过盈配合  D、基轴制过盈配合 2020年2月25日第115题答案B115.当平面倾斜于园柱的轴线截切园柱时,其截交线的形状为(B)。  A、圆 B、椭圆 C、直线  D、矩形 (次日公布前一天答案,公布前答对奖励10财富,公布后答对奖励5财富,参与奖励3财富) 最近有点忙,发题和回复评分有点慢,但是再忙再晚我也会发,也会回复大家,感谢大家一直支持!

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