Durability of structure is one of the basic function which structure is essential, it is closely to design, construct, material and employ environment, maintenance, it direct to effect working life.
结构的耐久性是结构必须满足的基本功能之一，既与设计、施工和材料等因素有关，又与使用环境和维护维修等条件有关，它直接影响结构的使用寿命。
QACC is a new environmental function material with excellent performance and can be used to remove the POPs in the environment.
QACC是一种性能优良的新型功能材料，可应用于环境中持久性有机污染物的治理。
QACC is a new environmental function material with excellent performance and can be used to remove the POPs in the environment.
QACC是一种性能优良的新型功能材料，可应用于环境中持久性有机污染物的治理。
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