roofbeam

roofbeam

 英

  • 网络房梁

例句

Early Prestressing Force Producing the Prefabricate Roofbeam the Platform Design and Construct

预应力生产预制设计施工技术

The Quality Common Fault of the Joint of Roofbeam and Post in Armored Concrete Project and the Problem Method

钢筋混凝土工程梁柱质量通病防治