cements
[ cement ]的第三人称单数;[ cemented ]的第三人称单数;[ cementer ]的第三人称单数;[ cementing ]的第三人称单数
- Of the various portland cements, the following varieties are now generally available from the makers in industrialized countries
在各种波特兰水泥中，工业化国家的生产厂目前一般供应下列品种。收藏 - Locally dolomite and anhydrite are important as cements, together with minor authigenic quartz
在局部地方白云石和硬石膏也是重要的胶结物;还有少量自生石英。收藏 - Locally dolomite and anhydrite are important as cements
局部地方白云石和硬石膏也是重要的胶结物。收藏 - These are the main portland cements, but variations of them are mentioned in the article on concrete additives
这些就是主要的波特兰水泥，在“混凝土外加剂”课文中还提到收藏 - An absorbent aluminum silicate clay formed from volcanic ash and used in various adhesives,cements,and ceramic fillers.
膨润土，斑脱土由火山灰形成的一种具有吸附能力的铝硅酸盐粘土，用于各种粘合剂、水泥和陶瓷填料收藏
开心词场背单词