\u6d3e\u514b\u94a2\u7b14\u4e0a\u7b14\u5c16\u4e0a\u6709\u4e2aF\u662f\u4ec0\u4e48\u610f\u601d\uff1f

F\u5373\u7ec6\u53f7\u7b14\u5c16\u3002

\u5e38\u89c1\u7684\u7b14\u5c16\u5927\u5c0f\uff0c\u4e3b\u8981\u6709\u4e94\u79cd\uff0c\u7531\u7ec6\u5230\u7c97\u5206\u522b\u4e3a\uff1a
EF=XF=Extra Fine \u7279\u7ec6\u3002\u7b14\u5c16\u7684\u5bbd\u5ea6\u7ea6\uff1a0.24mm~0.28mm
F=Fine \u7ec6\u3002\u7b14\u5c16\u7684\u5bbd\u5ea6\u7ea6\uff1a0.28mm~0.34mm
M=Medium \u4e2d\u7ec6\u3002\u7b14\u5c16\u7684\u5bbd\u5ea6\u7ea6\uff1a0.34mm~0.44mm
B=Broad \u5bbd\u3002\u7b14\u5c16\u7684\u5bbd\u5ea6\u7ea6\uff1a0.44mm~0.54mm
BB=Double Broad \u7b14\u5c16\u7684\u5bbd\u5ea6\u7ea6\uff1a0.66mm~0.86mm

\u7b14\u820c\u7684\u4f4d\u7f6e\u4e0d\u5bf9\u3002\u5c31\u662f\u65cb\u8f6c\u7b14\u820c\uff0c\u65cb\u8f6c\u5230\u4e00\u4e2a\u6b63\u786e\u4f4d\u7f6e\uff0c\u624d\u80fd\u6b63\u5e38\u51fa\u6c34\u3002\u6b63\u786e\u4f4d\u7f6e\u770b\u770b\u540c\u6b3e\u94a2\u7b14\u5c31\u77e5\u9053\u4e86\u3002