槽形截面troughton: 特勞頓troughs of metal for mixing mortar: 攪拌灰漿金屬槽troughton island: 特勞頓島troughs not of metal for mixing mortar: 攪拌灰漿非金屬槽; 攪拌灰漿用非金屬槽trough, tidal wave: 潮谷下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯