基本解释[能源科学技术]电子束相交区最小截面英汉例句双语例句During pipe line laying or large beam support welding, it often meets crossover of two or multi different axis large diameter pipe piece.在管道铺设或大型梁架焊接过程中，往往会遇到两个或多个不同轴线的大直径管件相交的情况。beam crossover更多例句词组短语短语beam lead crossover 梁式引线交叉beam crossover loss 射束交迭损耗beam crossover更多词组专业释义能源科学技术电子束相交区最小截面