在采用刀具半径补偿功能加工零件的外轮廓,应采用()。
A.左刀补
B.右刀补
C.根据走刀方向确定刀补方向
参考答案:C
cTnI超过多少时则提示可能有心肌损伤存在()
A.0.001μLg/L
B.0.005μLg/L
C.0.01μLg/L
D.0.05μLg/L
E.0.5μLg/L
.
Most of us know we should cut down on fat.But knowing such things isn’t much help________it
comes to shopping and eating.
A.since
B.as
C.after
D.when