flat roofとは意味:flat roof 陸屋根 ろくやね 平屋根 ひらやね flat roof meaning:[Architecture] A horizontal roof either having no slope, or a slope sufficient only to effect drainage, its pitch being usually less than 10 degrees; it may be surrounded by a parapet or it may exten...flat roof en francais:toit platflat roof 뜻:phrase, 평평한 지붕, 평지붕flat roof перевод:плоская крыша; плоское покрытие