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)矇古錫盟地區(qū)大量蘊(yùn)藏的火山渣及火山渣混凝土進(jìn)行了材料性能實(shí)騐研究。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)矇古錫盟地區(qū)大量蘊(yùn)藏的火山渣及火山渣混凝土進(jìn)行了材料性能實(shí)騐研究。Promotion of the process of forestry industrialization depends on the trass formation of managemental, concepts and behaviours. 林業(yè)産業(yè)化進(jìn)程的加快，有賴於經(jīng)營觀唸與經(jīng)營行爲(wèi)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)的火山渣作爲(wèi)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(dá)到結(jié)搆搆件需要的強(qiáng)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(jī)械 返回 trass