| 摘要 |
PURPOSE: An environmentally-friendly manhole for preventing offensive odors is provided to improve the safety of pedestrians by preventing the pedestrians from slipping on the manhole. CONSTITUTION: An environmentally-friendly manhole for preventing offensive odors comprises a catchment body, a sewer pipe, a drainpipe, and a cover(200). The catchment body is formed in a box shape and has a fastener on the top thereof. The sewer pipe is installed on one side of the outer surface of the catchment body and collects sewage. The cover is detachably fixed to the fastener of the catchment body and sends rainwater flowing from a road to the inside the catchment body. |
