词汇	crossing beam
释义	crossing beam 横梁
随便看	hierarchical pls regression hierarchical pointer hierarchical policies hierarchical politeness principle hierarchical polymerization algorithm hierarchical porosity Hierarchical porous structure hierarchical prediction hierarchical prefix hierarchical prioritization scheme hierarchical problem structure hierarchical process hierarchical processing hierarchical production planning hierarchical production system hierarchical protection hierarchical protocol hierarchical protocol system hierarchical pruning hierarchical public key infrastructure hierarchical quadtree hierarchical quality of service hierarchical query hierarchical query language hierarchical quorum consensus