From the system structure and software organization, the application of hot standby PLC technology in the control system of Bac Steel Third Phase Raw Material Yard is also discusses in detail.
从系统结构、软件体系等方面详细论述了宝钢三期原料场控制系统中的PLC热备冗余技术的具体应用。
The paper discussed control point of material quality, mixture ratio design and spreading quality about hot asphalt mixture through supervision practice of asphalt pavement construction in Expressway.
本文通过高速公路沥青路面施工监理实例，论述热拌沥青混合料的原材料质量，配合比设计和铺筑质量方面的监控要点。
Complicated material fabrics are the main factors to control the mechanical characteristics of rock mass; currently the anisotropic problems caused by structural planes are the most hot topics.
复杂的结构面是控制岩体力学性质的主要因素，由结构面引起的岩体各向异性一直是岩体力学研究的热点问题。
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