Beamysn.长尾巨鼠属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 bombardment电子束轰击beam attenuation射束衰减,束衰减beam-edge gain射束边沿增益Beam Omni Select波束全向选择Beam measurement束流测量beam lead bonder梁式引线焊接机beam diagnostics束流诊断beam-hardening射束硬化beam rider radar波束制导雷达beam side panels梁侧模