返回去掉字符表达式尾部空格的字符串的函数为______。_爱下问搜题

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问题填空题

返回去掉字符表达式尾部空格的字符串的函数为______。

答案

参考答案：Rtrim

选择题

— I didn't ask for the name list. Why ______ on my desk?
— I put it there just now in case you needed it.

A. does it land
B. has it landed
C. will it land
D. had it landed

填空题

齿轮的啮合质量包括适当的（）和一定的（）以及正确的接触位置。