单项选择题
A.米尺 B.游标卡尺 C.千分尺 D.水平尺
A.0.10~0.14mm B.0.14~0.24mm C.0.24~0.30mm D.0.30~0.36mm
A.40% B.50% C.60% D.70%
A.1~3mm B.2~4mm C.4~6mm D.5~7mm
微信扫一扫,加关注免费搜题