论文部分内容阅读
<正> 150. Nowadays, our domestic cement market is basically getting into balanced in total. The main problem consists in unreasonable product structure and small proportion of high-grade cement products. 目前,我国水泥市场总量已基本趋于平衡。主要问题是产品结构不合理,高标号水泥的产量比例偏低。