sewer challenge
下水道的挑战
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Projects which have already been supported by the University Challenge and Science Enterprise Challenge include a sewer robot - resembling a giant, jointed brush - developed by Durham Pipeline Technology, set up by Durham University.
BBC: pipe cleaner
应用推荐
模块上移
模块下移
不移动