特殊用法chip flute1.容屑槽chip-breaking flute1.断屑沟[槽]cross flute1.横笛helical flute1.螺旋槽milling flutes1.铣槽milling back flutes1.铣背槽spiral flute1.螺旋槽, 螺旋沟straight flute1.直槽[沟]
