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下水道システム River and Water Resources Glossary (Infrastructure Development Institute Japan) ; 排除方式 River and Water Resources Glossary (Infrastructure Development Institute Japan) | |||
下水 (gesui) | |||
下水道 (設備全体の場合, gesuidō) Japanese Law Translation Database System | |||
下水系統 (げすいけいとう); 下水道系統 (げすいどうけいとう) |
sewerage : 1 phrase in 1 subject |
Technology | 1 |