二重底 (にじゅうぞこ) — double bottom (ship, trunk, etc.); false bottom; double sole; double hull
二重底
に じゅ う ぞ こ
Double bottom (ship, trunk, etc.); false bottom; double sole; double hull
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二重底 (にじゅうぞこ) — double bottom (ship, trunk, etc.); false bottom; double sole; double hull
