单项选择题
A..ZIP B..RAR C..TGZ D..DWG
A.绝对坐标 B.相对坐标 C.前省零 D.后省零
A.board drill negative B.board drill positive C.misc drill negative D.misc drill positive
A.25.4 B.39.37 C.1.4 D.100
微信扫一扫,加关注免费搜题
