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问题
判断题
在卧式镗床上镗孔时，出现均匀螺旋线时因为主轴有轴向窜动。
答案
参考答案：错
选择题
The couple finally bought the house they wanted, for they _____ enough money.
A. had saved
B. were saving
C. would save
D. were to save
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问答题 简答题
设定个人目标的理由是什么？
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