数控车床的刀具参数包括()、()、()。
参考答案:X向、Z向、刀尖圆弧半径
—Did Jane come to help you yesterday?
—Yes, but I would rather ____. She caused me a lot of trouble.
A.not have
B.not
C.she didn’t
D.she hadn’t
童话故事中,狐狸说吃不到的葡萄是酸的.这种行为是哪中心理防御机制()
A、投射
B、退行
C、反向
D、合理化