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【单选题】
粗为了提高生产效率,选用切削用量时应首选( )A.
切削速度
B.
背吃刀量
C.
进给量
D.
机床转速
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举一反三
【单选题】I. Match the author or the literary works with historical periods or intellectual movements or literary schools: (10 scores, one for each question) A. Transcendentalism 1. The Adventures of Huckleberr...
A.
6
B.
9
C.
8
D.
2
E.
7
F.
3
G.
1
H.
4
I.
10
J.
5
【简答题】听下面一段材料，回答第1-3题。 1. What color of overcoat does the woman like ? A. The black one. B. The silver white one. C. The silver grey one. 2. What does the woman think of the overcoat ? A. It is of bad quali...
【简答题】Listen to the news and fill in the blanks. The Pantone Color Institute has named Classic Blue as its color of the year for 2020. The color offers stability and [Q1] , said the vice president of the in...
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