钢筋混凝土用热轧光园钢筋HPB235(Q235)伸长率δ5指标值为()。 A.≥15 发布时间:2018-04-13 14:31 │ 来源:www.tikuol.com 题型:单项选择题 问题: 钢筋混凝土用热轧光园钢筋HPB235(Q235)伸长率δ5指标值为()。A.≥15%B.≥20%C.≥25%D.≥30%
题型:单项选择题 The premier said the nation’s development should not only promote economic growth , but also pursue social fairness and justice to every individual’s all-round development in a free environment.A.urgeB.insure C.ensure D.satisfy 查看答案