单词	hard ray
释义	hard ray 硬射线
随便看	laser beam flying laser beam flying spot scanner laser beam focusing laser beam follower laser beam foot print laser beam forming laser beam grooving laser beam guidance Laser Beam Image Recorder laser beam image reproducer laser beam inclination angle laser beam induced current laser beam ionization laser-beam ionization laser beam line-type smoke detector laser beam lithography laser beam machine laser beam machine tool laser beam machining laser beam manufacturing laser beam marking laser beam marking machine laser-beam microfiche retrieval Laser beam Mode laserbeam modulating device