A.開環(huán)控制數(shù)控機(jī)床、閉環(huán)控制數(shù)控機(jī)床和半閉環(huán)控制數(shù)控機(jī)床 B.點(diǎn)位控制數(shù)控機(jī)床、直線控制數(shù)控機(jī)床和輪廓控制數(shù)控機(jī)床 C.經(jīng)濟(jì)型數(shù)控機(jī)床、普及型數(shù)控機(jī)床和高檔型數(shù)控機(jī)床 D.NC機(jī)床和CNC機(jī)床