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【简答题】
看懂以下主轴零件图,并回答问题。 1、φ40的轴采用了 画法,其实际长度是 mm。 2、该轴长度的基准是 ,长度、高度(径向)的尺寸基准是 。 (该题描述方法:哪个端面?或哪个部位的哪个端面?中心线? 等等)
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反馈参考答案：
举一反三
【简答题】切削塑性较大的金属材料时形成（）切屑，切削脆性材料时形成（）切屑。
【单选题】Take your bank card with you when on a business trip，_________ can save you a lot of troubles．
A.
where
B.
what
C.
which
D.
as
【简答题】How will robots know what to do when different products?
【单选题】The business card can date back to ______.
A.
the Ming Dynasty
B.
the Han Dynasty
C.
the Tang Dynasty
D.
the Qing Dynasty
【判断题】When offering your business card, you can say ' Here is my business card'.
A.
正确
B.
错误
【单选题】Passage Three You can use your Business Telecard International at any card phone in the UK. Here is some information about making international phone calls. You can now phone almost any country in the...
A.
Direct dial.
B.
Through the operator.
C.
Reverse charge call.
D.
Outside office hours.
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