有碴正交异性下承板梁 orthotropic beams with slags
下承式板桁结合梁 through plate-truss composite beam
下承式钢板梁桥 trough steel plate bridge
·2,447,543篇论文数据,部分数据来源于NoteExpress
应用推荐
模块上移
模块下移
不移动