屋面梁拼接、梁柱连接要求在工厂预拼接的翻译：Roof beam Splice, beam-column connection requests in a factory in advance mosaics 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

Roof beam Splice, beam-column connection requests in a factory in advance mosaics

Roofing Liang splices, the beam column connection request in factory pre-splicing

Mr Leung patchwork roofing, beams and columns connection requires the factory pre-merging

Roof beam Splice, beam-column connection requests in a factory in advance mosaics