ʲôBDFʽˮBDF |(zh)BָP䓣Dָ\䓰壨̼ܶóɱ͵\\䌍(sh)DҪĶǟ\Fָ(f)ʽC(li)ҲDzP䓺\䓰(f)ϵһN|(zh)
BDFY(ji)(gu)P䓰ĺһ0.4-0.5mm\䓰ĺ2.5mm-4mm
BDF(f)ϰķN190ֹ(f)ʽȌPģٌͣ\ģ˹P䓰ĺ\ď(f)һ𣩣r(ji)DZDzο(hu)©ˮҲ^
2ĽǺʽͨPģһəC(j)еĥߌP䓺\(f)ģͺĽǺӣr(ji)m©ˮ_(ki)
N45 o(w)һγͣĽǟo(w)ܷԏ(qing)r(ji)(du)ƫc(din)F(xin)ȫ@NҎ(gu)