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【单选题】
正等轴测图的轴间角分别为（）。A.
120°、120°、120°
B.
97°、13l°、132°
C.
90°、135°、135°
D.
45°、110°、205°
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反馈参考答案：
举一反三
【单选题】Part programmers must be familiar with the functions of numerically controlled machine tools and machining ________ .
A.
processes
B.
tools
C.
paths
D.
trends
【简答题】以下不属黑色所主病证的是（ ）
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
A.
正确
B.
错误
【单选题】听听力，回答题：
A.
Part of the dried, mushrooms have begun to decay．
B.
The dried mushrooms didnt arrive on time．
C.
Part of the dried mushrooms werent inspected．
D.
The dried mushrooms are lost during the shipment．
【判断题】Part programmers must have a solid knowledge of machining processes and know a lot of the capabilities of the machine tool.
A.
正确
B.
错误
【单选题】If ten different part programmers were asked to develop a process plan for the same part, they would probably come up with ten different ________.
A.
CAM
B.
CAD
C.
CAP
D.
CAE
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