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【判断题】
( )在工件上几个互成不同角度的表面上划线,才能明确表示加工界线的称为立体划线。A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】A bicycle or a motorcycle is built on the same _____, though the force that moves them is different.
A.
principal
B.
principle
C.
principles
D.
the principle
【简答题】principal principle A bicycle or a motorcycle is built on the same though the force that moves them is different.
【单选题】A bicycle or a motorcycle is built on the same ____, though the force that moves them is different.
A.
principle
B.
principal
【简答题】A bicycle or a motorcycle is built on the same ____ though the force that moves them is different.
【单选题】A bicycle or a motorcycle is built on the same __ , though the force that moves them is different.
A.
principal
B.
principle
【单选题】A bicycle or a motorcycle is built on the same _____, though the force that moves them is different.
A.
principle
B.
principal
C.
prince
D.
princess
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