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【单选题】
考上状元得益的帮助？A.
B.
C.
D.
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举一反三
【判断题】Coolant is used for lubrication and cooling purposes in many machining operations.
A.
正确
B.
错误
【多选题】Select those belong to process route. It includes selecting location datum and processing methods of each surface, dividing machining stages, determining the degree of process concentration and proces...
A.
selecting location datum and processing methods of each surface
B.
dividing machining stages
C.
determining the degree of process concentration and process dispersal
D.
specifying clamping methods
【简答题】What are two types of machining operations?
【单选题】Many machining operations require ( ) for lubrication and cooling purposes.
A.
Automatic tool changer
B.
coolant
C.
CNC control
D.
motion control
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