The practice show that quality and radioactivity of the product, which is made by gangue and some condensing agent, can meet related national regulation after 28 days' natural maintenance.
研究结果表明：用煤矸石和适量固化剂制成的非烧结砖经过28d自然养护后，其质量和放射性均符合国家有关标准。
The practice show that quality and radioactivity of the product, which is made by gangue and some condensing agent, can meet related national regulation after 28 days' natural maintenance.
研究结果表明：用煤矸石和适量固化剂制成的非烧结砖经过28d自然养护后，其质量和放射性均符合国家有关标准。
应用推荐