Report - €¦  · Web view1.型钢构件材质均为 q235b ,其化学成分和力学性能应符合《碳素结构钢》 gb/t700或《低合金高强度结构钢》 gb/t1591-94的规定。所有钢管采用镀锌管，顶部为0.476mm厚彩钢板

Select PornographicDefamatoryIllegal/UnlawfulSpamOther Terms Of Service ViolationFile a copyright complaint

Please pass captcha verification before submit form