The classification of the corrosiveness of gaseous agents on the structural material are depend on agent type, agent density and environmental humity.
气态介质对建筑材料的腐蚀性分级决定于介质类型、浓度及环境湿度。
The study will settle the foundation for the development of new type, environmental and cheaper mineral stuffing bitumen modified material.
本研究为开发新型、环保、价格低廉的无机矿物填料类沥青改性材料奠定了基础。
The excellent environmental friendly performance will become one main characteristic of new type material in 21st century.
优良的环境友好性能将成为二十一世纪新材料的一大特色。
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