已知齿轮的外径为150毫米,齿数为28,求模数?
参考答案:
模数=齿轮外径/(齿数+2)=150/(28+2)=5
Look!_____!Do you know them? [ ]
A.Here comes some youth
B.Here some youths come
C.Here come some youths
D.Some youths here come
以下哪个不是男性淋病的典型表现:
A.尿痛
B. * * 口红肿
C. * * 口溢脓
D.皮肤溃疡
E.尿频