中文翻译与英英解释| Trass is the local name of a volcanic tuff occurring in the Eifel, where it is worked for hydraulic mortar. It is a grey or cream-coloured fragmental rock, largely composed of pumiceous dust, and may be regarded as a trachytic tuff. |
例句与用法 | 1. | 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
| | 2. | The research is to develop a new material - - - - high performance concrete of hill sand on the basis of practice of high strength concrete of hill sand and knowledge of ultra - fine trass additive by using concrete material in guizhou and mixing fly ash . the research result shows that the flowability , moldability , cohesiveness of high performance concrete of hill sand are significant by comparison with ordinary concrete on mechanical properties , long term properties , and durability
本研究课题是在已成功研制并实际应用的c60高强山砂混凝土的基础上,结合对微细(超细)活性掺合料性质的理论认识,充分利用贵州当地的混凝土材料,并掺入微细(超细)活性掺合料,研制一种新型的高性能混凝土,即山砂高性能混凝土。
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