The influence factor of concrete carbonation can be divided into material factor, environmental factor and construction factor.
影响混凝土碳化的因素较多，主要是：材料因素、环境因素和施工因素。
Instrument is an important component of the laboratory's fixed asset, it is the material factor to guarantee the monitoring and research.
仪器设备是实验室固定资产的重要组成部分，是保证监测、科研顺利进行的物质条件。
This paper introduces the reinforced concrete crack types and causes, from material factor, design factors and external factors three aspects discusses the specific methods of preventing the crack.
本文介绍了钢筋混凝土裂缝类型及产生原因，从材料因素、设计因素和外界因素三方面论述了预防裂缝的具体方法。
This paper introduces the reinforced concrete crack types and causes, from material factor, design factors and external factors three aspects discusses the specific methods of preventing the crack.
本文介绍了钢筋混凝土裂缝类型及产生原因，从材料因素、设计因素和外界因素三方面论述了预防裂缝的具体方法。
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