... beam coupling 电子耦合 beam crossover 电子束相交区最小截面 beam current 束电流 ...
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... beam convergence 射束会聚 beam crossover 射束跨越点 beam current 射束电流 ...
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beam crossover loss 射束交迭损耗
beam lead crossover 梁式引线交叉
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
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