题目内容

抽油机底座与支架中心应与基础上相应的粉线对准，其偏移量应小于（）。

A. 2mm
B. 1.5mm
C. 0.1mm
D. 0.5mm

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A. I really can't. You'll not mind, I think
B. Let's put it off till later
C. Thanks, but I have to work that evening
D. No, I don't want to

A. 正确
B. 错误