常見例句Based on screening and sampling, properties of trass and trass concrete in Ximeng area of Inner Mongolia was studied. 摘要通過篩分選樣,對內(nèi)蒙古錫盟地區(qū)大量蘊藏的火山渣及火山渣混凝土進行了材料性能實驗研究。Based on screening and sampling,properties of trass and trass concrete in Ximeng area of Inner Mongolia was studied. 通過篩分選樣,對內(nèi)蒙古錫盟地區(qū)大量蘊藏的火山渣及火山渣混凝土進行了材料性能實驗研究。Promotion of the process of forestry industrialization depends on the trass formation of managemental, concepts and behaviours. 林業(yè)產(chǎn)業(yè)化進程的加快,有賴于經(jīng)營觀念與經(jīng)營行為的轉(zhuǎn)變。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. 結(jié)果表明,該地區(qū)的火山渣作為一種比較理想的天然輕骨料是可行的,用此火山渣配置的火山渣混凝土能夠達到結(jié)構(gòu)構(gòu)件需要的強度等級。Development of light weight trass hollow brick 輕質(zhì)火山灰空心砌塊的研制Complete plant for the cement, lime, gypsum, trass and chalk industry 水泥、石灰、石膏、火山土、粉筆業(yè)所用成套設(shè)備與機械 返回 trass