Each outer beam is mechanically coupled to an innerbeam by way of an interconnecting member.
每个外层束机械耦合的一种内在的光束通过互相联系的成员的方式。
2
The box type structure, cavity cannot antirust paint corrosion, in order to prevent moisture intrusion corrosion beam cavity, sealing the inner cavity of the main girder must keep.
箱型结构的主梁，内腔无法涂漆防锈蚀，为了防止水汽侵入腐蚀主梁内腔，必须保住主梁内腔的密封性。
3
The relation between the inner cladding layer's thickness and the quality factor of vertical beam is analyzed.