基本解释[土木建筑工程]许用拉伸应力英汉例句双语例句But for tensile stress as it exceeds the permissible value, the walls may be destroyed for tensile strength failure.但城墙的主拉应力峰值在增设文物后超过容许值。专业释义土木建筑工程许用拉伸应力