单项选择题
A.12000mm B.12600mm C.13000mm D.13600mm
A.116120mm B.116220mm C.118120mm D.118220mm
A.±8° B.±15° C.±20° D.±25°
A.100mm B.120mm C.140mm D.160mm
微信扫一扫,加关注免费搜题