会話トレ Drill: 建築・不動産 Architecture, Real estate
下水道 (gesuido)、下水管 (gesuikan)
sewer
a sewer
耐震基準 (たいしんきじゅん)
earthquake building codes
seismic standards
欄間 (ranma)
ranma, transom
a transom
a sewer
a transom
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