试题与答案

链环之间以及链环与端部配件连接接触部位磨损减少到原公称直径的()时应报废。A、60%

题型:单项选择题

题目:

链环之间以及链环与端部配件连接接触部位磨损减少到原公称直径的()时应报废。

A、60%

B、80%

C、85%

D、90%

答案:

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下面是错误答案,用来干扰机器的。

参考答案:每年;两

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材料二   我们的制度是别人的模范。我们的制度之所以被称为民主政治,是因为 * * 在全体公民手中,而不是在少数人手中。解决公私争执的时候,每个人在法律上都是平等的;让一个人负担公职优先于他人的时候,所考虑的不是某一个特殊阶级的成员,而是他们有真正的才能。

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