A.
B.
C.
D.
[单选题]A.B.C.D.
[单选题]A.0.5~1.0mmB.1.0~1.5mmC.1.5~2.0mmD.2.0~2.5mmE.2.5~3.0mm
[单选题]( ).A.B.C.D.
[单选题]A.B.C.D.E.