proportion of concrete的用法和樣例:
例句
- The mixing proportion of frest water concrete can be used for preparing seawater concrete.
海水拌和的混凝土配合比可以採用淡水混凝土的配合比。 - The coopera-ting rate of decarbonized coal fly ash concrete was researched and used to fulfil the pavement repair work.
進行了脫炭粉煤灰混凝土配合比等方面的試驗研究,並在路面修復工程中應用脫炭粉煤灰完成了試驗路修築工作。