题目内容

轧机刚度随轧制速度、来料宽度变化而变化（）

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Do you think companies should provide sports facilities for their staff？（Why？）

Do you ever feel overworked？（Why？/Why not？）

咬入是指轧辊对轧件的摩擦力把轧件拖入辊缝的现象（）

For example, it is estimated that SAS turnover rate is 4 percent compared to the industry norm of more than 20 percent per year.