trass
美[træs] 英[træs]
n. 火山土
例句
- Based on screening and sampling, properties of trass and trass concrete in Ximeng area of Inner Mongolia was studied. 摘要通过筛分选样，对内蒙古锡盟地区大量蕴藏的火山渣及火山渣混凝土进行了材料性能实验研究。
- Based on screening and sampling,properties of trass and trass concrete in Ximeng area of Inner Mongolia was studied. 通过筛分选样,对内蒙古锡盟地区大量蕴藏的火山渣及火山渣混凝土进行了材料性能实验研究。
- Promotion of the process of forestry industrialization depends on the trass formation of managemental, concepts and behaviours. 林业产业化进程的加快，有赖于经营观念与经营行为的转变。
- The results showed that the trass in this area is feasible as a kind of more ideal natural lightweight aggregate, and the trass concrete can reach the grade of intensity the structure component needs. 结果表明，该地区的火山渣作为一种比较理想的天然轻骨料是可行的，用此火山渣配置的火山渣混凝土能够达到结构构件需要的强度等级。
- Development of light weight trass hollow brick 轻质火山灰空心砌块的研制
- 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
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