break wall短语¹⁸⁰⁰⁹⁸⁺¹ 基本例句 破壁 The work finds a new way to protect the high- speed train in the high wind and finds theory of the design of the wind- break wall, must have important practical significance. 本文对高速列车防风安全工程提供了新的思路，为挡风墙的优化设计提供了理论依据，具有较大的应用价值。 boshuo