粒度一般是向上递减的.There is a general decrease in grain size upward.我们必须用具有相当数量的最小颗粒的粒度.We must use the smallest size of solid present in appreciable quantity.从具有不同骨料粒度的立方浇注块中切出方形板块.Square slabs were cut from cubes cast with var...
Humphrey paced the rug behind his desk and demanded rhetorically.汉弗莱在他办公桌后面的地毯上,一边踱着步子一边慷慨激昂地问道.He bargained with the merchant for an hour before he bought a rug.他与那商人讨价还价了一个小时才买下一块地毯。With great dignity she journeyed acr...