筒體理論barrelvault: 圓筒形穹窿barrelshutter: 筒形遮光器 筒狀快門barrelwinding: 桶形繞法barrelshaped structure: 桶狀構(gòu)造barrelwood: 木桶板; 制桶木材下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯