fixed back beam  固定后梁

position of back beam  后粱位置

warp beam back frame  经纱张力调整机

back longitudinal beam  后纵梁

synchrotron radiation back reflection white-beam t  同步辐射背反射白光形貌术

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

angles back to back  背对背角钢

Back filling at abutment back of Bridge or culvert  桥涵台背回填

back reaming and back transportation  反扩反输

back to back  背至背; 背靠背; 背对背

back to back arrangement  背对背配置

Back to Back Bus  背板总线

Back to back charter  转租合同

back to back connection  背向接线; 背对背连接

Back to Back Converter Station  背靠背换流站

back to back diodes  背对背二极管