mixing proportion design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及其配合比設計。 - In this paper,the mix proportioning design and construction technology of high performance cement mortar used in the vacuum mortar suction technique are described.
介紹真空吸漿技術中的高性能水泥漿的配合比設計及施工工藝。
