硅砖
Study on high silicon iron tailing making tailing brick
高硅铁尾矿制取蒸压尾矿砖的研究
new process for producing clay-bonded silicon brick for zinc retorting
竖罐炼锌用粘土结合碳化硅砖生产新工艺
the inner cracks of silicon brick aare sometimes discovered during grinding and cutting of brick before masonry.
在筑炉前,对硅砖进行切、磨时,有时发现砖的内部有裂纹。
The recommend quantity of silicon in tropic brick red soil is 30kg/ hm2 by analysis the cost and employing effect.
从施用成本和增产效果综合分析,建议在热带砖红壤地区花生硅肥施用量为30kg/hm2(SiO2);
英语网 · 双语娱乐资讯
英语网 · 中考英语
英语网 · 双语新闻