Powder soil的用法和樣例：
例句
- Through studying the method of using the powder soil as the bottom basic unit of the superhighway, a kind of suitable steady type on mechanics and way-use performance was found.
摘要通過(guò)對粉性土這種特殊土用作高等級公路底基層，進(jìn)行穩定方法研究，尋找一種力學(xué)性能和路用性能都適宜的穩定類(lèi)型，從而為廣大使用者提供參考。
