Great improvement must be made on the traditional design ideology exist in plant scale, cement fineness, size distribution, quarry design, raw materials, raw meal grinding and burning etc.

工厂规模、水泥细度和颗粒级配、矿山、原料、生料粉磨、烧成系统等方面的传统设计都应做较大改进。

youdao

Some exist to advance conservative ideology, and some exist to advance liberal ideology.

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