... 预应筋有效预应力值：value of effective prestress 预应筋松弛：relaxation of prestressed tendon 预压密：Preconsolidation ...
基于101个网页-相关网页
... Anisotropic Relaxation Properties of Pear 梨松弛特性差异 relaxation of prestressed tendon 预应筋松弛 ; 应力束松弛 Relaxation of indicators 放宽指标 ...
基于16个网页-相关网页
·2,447,543篇论文数据，部分数据来源于NoteExpress