A layer of interface cementing agent about 1.5~ 2? mm thick is brushed on the surface of the preprocessed old concrete and then the new concrete is poured on it.

  • 方法在预先处理过的旧混凝土表面涂刷厚度为1.5~2mm的界面剂,然后浇筑新混凝土。

  • 互联网摘选 2026-07-14 03:42:05

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