英语语法分析

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。

For bay lengths other than those shown, the maximum spacing of purlin bracing shall be 80 O. c.

凹进去的长度除了图示的以外，用于支撑的桁条的最大间距应该是80 O.C。

Is a pure wooden architecture consisting of pillars, purlin, and baluster in various sizes and shapes.

风雨桥是由各种大小和形状的桥柱、檩桁条和栏杆柱构筑的纯木制建筑。