Protection with a simple construction, non-flammable, safe to use around the stone features such as color coefficient.
具有施工保护简便、不易燃、安全、使用前后石材的变色系数小等特性。
Comparing with traditional construction materials, the ceramic grain concrete possesses the advantages of smaller thermal conductivity coefficient, less weighty and better structural performance.
与传统的建筑材料相比，陶粒混凝土具有导热系数小、重量轻、结构性能好等优点。
The soil compaction standard should use the compaction apparatus and construction condition al coefficient method, and the compaction degree method is not recommended.
土的压实标准仍应采用南实处击实仪及施工条件系数法，压实度法不可取；
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