roof-top n.平頂房的屋頂

roof-rack 車頂行李架

roof-garden n. 屋頂花園

roof-fall accident 礦山冒落事故

roof-desk n.屋頂平臺

roof-deck 屋頂平臺

roof-coal 項煤

roof-bolt drill [經(jīng)濟學]頂板錨栓鉆機

roof-angle prism [機械工程]脊角棱鏡

roof truss [建] 屋架；屋頂架；支持屋頂?shù)娜切舞旒?/p>

roof tree

roof top garden [土木建筑工程]屋頂花園

roof top 屋頂

roof tile 屋瓦；天臺地磚

roof terrace 屋頂平臺

roof tank 天臺貯水箱；屋頂水箱

roof support 罐頂支柱；頂板支護

roof structure 屋頂結構；塔樓

roof space 屋頂空間；頂樓

roof slab 屋面板；屋頂板；天臺樓板