mixture rate的用法和樣例：
例句
- The characteristics and mixture ratio design of the polypropylene fiber shotcrete are introduced.
摘要介紹了聚丙烯纖維噴射混凝土的特點(diǎn)及其配合比設計。 - The coopera-ting rate of decarbonized coal fly ash concrete was researched and used to fulfil the pavement repair work.
進(jìn)行了脫炭粉煤灰混凝土配合比等方面的試驗研究，并在路面修復工程中應用脫炭粉煤灰完成了試驗路修筑工作。
