A、0.05~0.1mm B、0.1~0.2mm C、0.2~0.8mm D、0.8~1.0mm
A、0.05~0.10mm B、0.02~0.05mm C、0.01~0.02mm D、0.1~0.2mm
A、H9/f9 B、H7/f7 C、H7/m6 D、H7/s6