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【单选题】
在数控加工中,刀具补偿功能对刀具半径和加工余量进行补偿,在用同一把粗、 精加工时,设刀具半径为 r,精加工时半径方向余量为△,则最后一次粗加工走刀的半径补偿量为 ( )A.
△
B.
r+△
C.
r
D.
2r+△
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皮皮学刷刷变学霸
举一反三
【单选题】The man asked John ____ __ __ there was a bank nearby.
A.
that
B.
that if
C.
if
D.
where
【简答题】She had a special VIP pass and plowed______ the waiting crowd in front of the theater
【单选题】The elasticity of supply equals ( ) if the supply curve is horizontal.
A.
0
B.
1
C.
infinity
D.
-1
【单选题】She had a spacial VIP pass and ___ through the waiting crowd in front of the theater.
A.
lived
B.
looked
C.
put
D.
plowed
【单选题】She had a special VIP pass and ______through the waiting crowd in front of the theater.
A.
plow
B.
plows
C.
plowing
D.
plowed
【单选题】Who is __________ you? [ ]
A.
waiting for
B.
waiting with
C.
waiting at
D.
waiting to
【单选题】The elasticity of supply equals ( ) if the supply curve is vertical.
A.
0
B.
1
C.
infinity
D.
-1
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