商品vivo X90s 12GB+256GB 青漾 天玑9200+芯片 新一代自研影像芯片V2 120W双芯闪充 蔡司影像 5G 拍照 手机 完善信息 暂无报价降价提醒 当前规格: 机身颜色 青漾 运行内存 12GB 机身存储 256GB 商品介绍完善信息 待完善 规格查看更多 运行内存 12GB
PROBLEM TO BE SOLVED: To heighten the joining strength of concrete pipes with one another. ;SOLUTION: Two concrete pipes 11 to be joined have overlapped part, and the overlapping part of one pipe is equipped with a recess 11c opening outward in a part a certain distance apart from the over...