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Sentence analysis
7Spans
Sentence
Span Details
汚水
dirty water; sewage; wastewaternoun
管
pipe; tube; wind instrument; vessel; duct; tract; canal; counter for tube-shaped objectsnoun, counter
の
possession, attribution, nominalizer, or nominal linkergrammar
交換
exchange; swap; replacementnoun, suru verb
が
subject markergrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
だ。
plain copulagrammar