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【简答题】
表面粗糙度 代号表示用()的方法获得表面,轮廓算术平均偏差R a 的上限值为()
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【简答题】幻想曲(Fantasia)
【单选题】7÷1.4=[ ]A.1.55B.15.5C.0.155
A.
21.7÷1.4= [     ] A.1.55
B.
15.5
C.
0.155
【单选题】Task 2 Directions: The following is a poster. After reading it, you will find 3 questions or unfinished statements, numbered 45 to 47. For each question or statement, there are 4 choices marked A), B)...
A.
A language training program
B.
A youth internship program
C.
A summer camp program
D.
A volunteer program
【单选题】程序段G98 F15.5表示(    )。
A.
进给速度为15.5mm/min    
B.
主轴线速度为15.5m/min
C.
进给速度为15.5mm/r
D.
主轴线速度为15.5mm/s
【简答题】在数轴上表示下列各数。 -6     +15.5    5     - -7.5
【单选题】琴键下沉深度标准为:
A.
9.5mm__15.5mm
B.
9.5mm__10.5mm
C.
12.5mm__15.5mm
D.
11.5mm__12.5mm
【简答题】Task 2 Directions : The following is a poster. After reading it, you will find 3 questions or unfinished statements, numbered 45 to 47. For each question or statement, there are 4 choices marked A), B...
【单选题】铁路运输货物火车的车厢规格为()M。
A.
15.5*2.8*2.8
B.
12.5*3.0*3.0
C.
14.2*5.3*4.6
D.
15.5*2*3
【简答题】Task 2 Directions: The following is a poster. After reading it, you will find 3 questions or unfinished statements, numbered 45 to 47. For each question or statement there are 4 choices marked A), B),...
【简答题】45-47 题 Directions : The following is a poster. After reading it, you will find 3 questions or unfinished statements, numbered 45 to 47. For each question or statement, there are 4 choices marked A, B...
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