题目内容
(请给出正确答案)
[单选题]
切削螺纹时,螺纹实际牙型高度可按下面( )计算。
A.h=0.866P
B.h=0.54P
C.h=0.65P
D.h=1.3P
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A.h=0.866P
B.h=0.54P
C.h=0.65P
D.h=1.3P
第1题
A.SATA
B.FDD
C.IDE
D.ATX
第2题
The Age of Enlightenment is also known as the Age of Reason.()
第5题
______ is also known as "City of Saints".
A.Vancouver
B.Toronto
C.Ottawa
D.Montreal
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