屋面两坡的下方，檐口的连系梁支承在平顶搁栅之上。
At the lower end of each roof slope, eaves purlins are provided over the ceiling joists.
管桁架之间通过檩条、连系梁和支撑系统把整个结构连成整体。
Pipe truss by purlin , even between a beam and the whole structure by supporting system.
管桁架之间通过檩条、连系梁和支撑系统把整个结构连成整体。
Pipe truss by purlin , even between a beam and the whole structure by supporting system.
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