1.【地】火山土;粗面凝灰岩
1.a light-coloured volcanic rock used in making cement and mortar
1.As a new type structure, there were no reports and literature of the relevant studies on prestressed space composite trass at present.
本课题研究的预应力空间组合结构是一种新型结构，目前还没有相关的研究和文献报导。
2.Portland-, Iron Portland-, Blast-furnace-, and Trass Cement; Determination of the Heat of Hydration with the Solution Calorimeter
硅酸盐水泥.含铁硅酸盐水泥.高炉水泥和粗面凝灰岩水泥；用溶液热量计测定水化热
3.The health education for patients with artery man-made blood vessel bypass trass plantation
动脉人造血管旁路移植术的健康教育
4.Complete plant for the cement, lime, gypsum, trass and chalk industry
水泥、石灰、石膏、火山土、粉笔业所用成套设备与机械
5.waterproof cement trass cement trass Portland cement
火山灰硅酸盐水泥含铁水泥
6.Development of light weight trass hollow brick
轻质火山灰空心砌块的研制