| 摘要 |
PROBLEM TO BE SOLVED: To provide a forced drainage system efficiently receiving the sewage and miscellaneous drainage into a forced drainage unit from kitchen and sanitary space apparatuses of an underfloor drainage system and forcibly discharging and force-feeding them by saving execution. SOLUTION: This forced drainage system has a forced drainage unit provided with an intake port opened upward to receive the sewage and miscellaneous drainage and a force feed section and a discharge port forcibly discharging and force-feeding the received sewage and miscellaneous drainage.
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