短語詞組短語CNC lathe -bed 數(shù)控車床床身gap -type lathe bed 馬鞍車床床身gear -head lathe with gap bed 齒輪馬鞍車床geared head gap -bed lathe 馬鞍車床geared d head gap -bed lathe 馬鞍車床 返回 lathe-bed