- grit gulley
- 砂砾雨水进口
English-Chinese construction dictionary (英汉建筑大词典). 2013.
grit gulley
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Storm drain — This article describes subterranean tunnels conveying runoff from urban streets. See Combined sewer for a description of early drainage systems designed to use storm runoff to flush sanitary and industrial wastes into natural waterways for… … Wikipedia
