单词	兴谷
释义	兴谷Hunggok
随便看	beam column beam-column beam combining beam communication beam communication set beam compass beam compasses beam compass（trammel） beam compression factor beam -condensing unit beam conductance beam confining electrode beam contaminants beam control beam convergence beam convergence angle beam cooling beam coupler beam coupling beam-coupling coefficient beam creel beam cross-sectional area beam crown block beam [current] beam current