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高速切削加工的关键技术包括 A高速主轴 B快速进给系统 C先进的机床结构 D高性能的CNC控制系统
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【简答题】连词成句。 1. Chinese, am, I (.) ____________________________ 2. girl, I, a, am (.) ____________________________
【简答题】根据图片造句子。 1. I go to the ____________ to _________________________. 2. I go to the ____________ to _________________________.
【单选题】Passage 2 Questions 6 to 10 are based on the following passage: The market investigation is indispensable to sales promotion. They are as closely related as the lips and teeth, so to speak. What you p...
A.
get enough information concerned
B.
advertise his products
C.
produce high quality goods
D.
none of the above
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