concrete for buried culvert extension的意思|示意
美 / /
英 / /
地下涵洞扩建用混凝土
concrete for buried culvert extension的网络常见释义
暗涵接长砼 扶壁式挡墙砼: concrete for counterfort retaining wall 暗涵接长砼: concrete for buried culvert extension 封头砼: concrete for end plate cover ..