Using proper glue materials, aggregate materials, additive and scientific production construction are important methods that meet the requirement of designment of concrete.

 
  • 采用合適的膠凝材料、粗細骨料及外加劑,同時(shí)進(jìn)行科學(xué)的生產(chǎn)施工是保證混凝土滿(mǎn)足設計要求的重要途徑。
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