This paper introduces checkup project, frequency and main quality control project for road common material. It also states how to effectively control the raw material quality by prevention measure.

介绍了公路常用材料的检验项目，频率和主要质量控制项目，通过预防，采取措施，达到监控为目的，有效地控制了原材料的质量。

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The raw material and supplier selection and Project approval .

原材料和供应商的选择和项目的批准。

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This project can solve the problems of many hard maintenances and more expensive cost for the moving equipment of raw material yard.

无线电通讯在原料堆取料机中的应用解决了原料场移动设备现场维护工作量大、维护成本比较高的问题。

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Natural gas prices, electricity prices, raw material prices, project financing costs and availability, emerging technologies and, hardest of all, politicians, who can make or break the industry with their decisions on government subsidies.

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