短語詞組短語laser beam cutting machine 激光切割機;激光beam carving machine 電子束刻雕機;電子束雕刻機electron beam cutting machine 電子束切割機light beam welding machine 光束焊機;光束熔焊機electron beam implantation machine 電子束摻雜機beam bending machine 彎梁機beam warping machine 經(jīng)軸整經(jīng)機cantilever beam impact machine 懸臂沖擊機 返回 beam machine