a system of watercourses or drains for carrying off excess water
drainage system 30秒了解
- (noun) a system of watercourses or drains for carrying off excess water
Meanings
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1
noun a system of watercourses or drains for carrying off excess water
Summary
a system of watercourses or drains for carrying off excess water
- (noun) a system of watercourses or drains for carrying off excess water
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