Never pipe the discharge line directly into a drainage ditch, sewer or sump.
Never pipe the discharge line directly into a drainage ditch, sewer or sump.
不要把排泄管直接插入排泄地漏、污水管或污水坑里。
Never pipe the discharge line directly into a drainage ditch, sewer or sump.
不要把排泄管直接插入排泄地漏、污水管或污水坑里。