double-beam bridge type grab crane  双架桥式抓斗起重机

Beam-beam deflection  束束作用偏转效应

beam-beam interaction  束束作用; 束-束相互作用

beam-beam limit  束束极限

long distance beam-beam interaction  远程束-束作用

beam camber [= camber of beam  梁拱高; 梁弧高

beam off the beam  脱离航向

beam to beam connection  梁间结合

beam to beam moment connection  梁间刚性结合

beam width of Gaussian beam  高斯光束光斑半径

beam-to-beam sizing  经轴倒织轴浆纱

beam-to-beam spacing  电子束间隔; 粱间间隔; 射束间隔

beam-to-beam weld  梁式引线焊接; 梁间焊接

Continuous beam turned from simple beam  先简支后连续梁

continuous hollow slab beam erected as simple-supported beam in advance  先简支后连续预应力空心板梁

Dual beam-focused ion beam  双束聚焦离子束

lower-beam (dipped beam) headlamp  近光前照灯

main beam and junior beam  主次梁

Multi-beam and sheet-beam klystron  多注和带状注速调管