短語(yǔ)詞組短語(yǔ)CNC gear hard finishing machine 數(shù)控齒輪精加工機(jī)床gear cutting and finishing machine 齒輪精削機(jī)床gear roll -finishing machine 齒輪精滾機(jī)gear making and finishing machine 齒輪加工機(jī)床 返回 gear finishing machine