Beamonn.比蒙beamvi.微笑；发光vt.播送；发射；用梁支撑n.桁条；光线；(光线的)束；(横)梁beam excursion束流偏移beam lead chip梁式引线芯片beam spreading束散beam narrowing波束锐化beam-quality光束质量beam diverging射束发散的beam-froming赋形增益beam type tube注型管beam injection束流注入beam structure梁结构