She is absent today because she is ill._爱下问搜题

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问题问答题

She is absent today because she is ill.

答案

参考答案：因为病了，所以他今天没来。

单项选择题

锉刀的齿纹分（）种。

A.一

B.二

C.三

D.四

问答题

试述X6132型机床型号的含义。