主束,主射束,主梁 newmain beam的英文翻译是什么意思，词典释义与在线翻译：参考翻译正梁 main beam的用法和样例：例句The main girders support I-section transverse ribs. 主梁支承着工字梁的横向肋。It\'s possible that the beam may break if the loads outweigh its supports. 如果负荷过重，主梁的断裂是有可能发生的。
Researches on Dynamic Optimization Design Method of Large-scale gantry crane's Main Beam StructResearches on Dynamic Optimization Design Method of Large-scale gantry crane's Main Beam Struct
基于APDL的门式起重机主梁参数化建模与仿真
The suspension bracket is connected with the transmission case and the main beams.The suspension bracket is connected with the transmission case and the main beams.
悬挂架与变速箱及主梁相连接。
The crane is connected with the main beam through its under-frame and the truck chassis.The crane is connected with the main beam through its under-frame and the truck chassis.
