Main points of quality control of field prefabrication fair-faced concrete stand plate are introduced on the basis of actual engineering properties of stadium.

 
  • 根據體育場(chǎng)看臺板的實(shí)際工程性質(zhì),介紹了現場(chǎng)預制清水混凝土看臺板的質(zhì)量控制要點(diǎn)。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan