ACI 318-19 Errata-2021 建筑结构和混凝土规范 Building Code Requirements for Structural Concrete (ACI 318-19) Commentary on Building Code Requirements for Structural Concrete (ACI 318R-19).pdf文档页数:628文档大小:26.85MB文档格式:pdf...
ACI 318-19 Errata-2021 建筑结构和混凝土规范 Building Code Requirements for Structural Concrete (ACI 318-19) Commentary on Building Code Requirements for Structural Concrete (ACI 318R-19).pdf
DB21/T 3415-2021 辽宁省水库淤积浅剖声呐探测技术规程附件大小:1.1MB附件格式:1个直链文件,格式为pdf 资源简介:ICS17.140CCS P59 DB21辽宁省地方标准DB21/T3415—2021辽宁省水库淤积浅剖声呐探测技术规程Code of practice for shallow section sonar detection of reser