题目内容
(请给出正确答案)
[主观题]
" wear criterion" means the allowable maximum value of average wear in the middle part ·of the wear zone on () .
A、the major flank face
B、the rake face
C、the major cutting edge
D、machining surface
提问人:网友huizishuibei
发布时间:2022-01-07