题目内容

轴的结构设计应满足哪些基本要求？1、；2、；3、；4、。

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简述轴结构设计的步骤和方法？1、；2、；3、。

阶梯转轴的最小轴径是怎么确定的? 。

对已经完成结构设计的阶梯转轴如何进行强度校核？。

Please fill in the blanks in the following sentences:GAAP requires that a business use the ______ basis. This means that the accountant records revenues as they are_ and expenses as they are _——not necessarily when _____changes hands.