A.0.1~0.2mm
B.0.3~0.5mm
C.0.6~0.7mm
D.0.8~1.0mm
E.1.2~1.5mm
[单选题]A.B.C.D.
[单选题]A.1.026%B.1.046%C.1.066%D.1.086%E.1.106%
[单选题]A.锥面B.单叶双曲面C.双叶双曲面D.椭圆抛物面
[单选题]A.B.C.xdxD.