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螺旋缠绕管非开挖修复自行走式机器——让旧管道重获新生!_哔哩哔哩_bilibili
来自：www.bilibili.com/video/BV1KS7bzWEoF/?vd_source=7b49887ba6986b5008688e68f207ac2e&share_medium=web&share_source=baidu&bbid=98EC7364-4E12-02E8-189D-6FFFC871B68E72110infoc&ts=1748942857119