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【单选题】
在背吃刀量ap 和进给量 f 一定的条件下,切削厚度与切削宽度的比值取决于( )A.
刀具前角
B.
刀具后角
C.
刀具主偏角
D.
刀具副偏角
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【简答题】Althouse Bus Company pays much attention to
【单选题】Althouse Bus Company was founded by __________. 查看材料
A.
Larry Althouse
B.
Althouse's grandfather
C.
Liesl's mother
D.
Ashley Batista
【单选题】The company is ( ) steps to improve the bus service at night.
A.
going
B.
setting
C.
putting
D.
taking
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