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。
A new composite thermal insulation material is made taking haydite, scrap foam, cement and pulverized fuel ash as main raw material in definite proportion under normal temperature.
以陶粒、废旧泡沫塑料、水泥、粉煤灰为主要原料，在常温条件下按一定配比制成新型复合保温材料。
A magnesite dry refractory ramming material used in tundish lining of electric furnace is researched, with electrically fused magnesite as main raw material and solid phenolic resin as bonding agent.
以电熔镁砂为主要原料，固体酚醛树脂作结合剂，研制成功与电炉炼钢配套使用的中间包工作层用镁质干式捣打料。
The burnt brick produced with zeolite as the main raw material is a new energy-saving wall material. Its most notable features are light in weight, high in strength and good in energy saving.
以沸石为主要原料生产的烧结砖，是一种新型的节能墙体材料，它的最显著特点是：轻质、高强，节能效果好。
The burnt brick produced with zeolite as the main raw material is a new energy-saving wall material. Its most notable features are light in weight, high in strength and good in energy saving.
以沸石为主要原料生产的烧结砖，是一种新型的节能墙体材料，它的最显著特点是：轻质、高强，节能效果好。
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