beam tube例句

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 shortening梁端缩短Beam-tocolumn梁-柱beam lead diode梁式引线二极管beam-focusing焦点相合,对光,射束聚焦beam sharpening束锐化,光束锐化beam type maser分子束微波激射器beam tilt angle束倾角beam desiccator沙堤防潮砂beam definition电子束清晰度beam in bending受弯梁