短語詞組短語convection n zone 對(duì)流層solar convection zone [天]太陽對(duì)流層lower convection zone 和下對(duì)流層convection zone of the Sun 太陽對(duì)流層zone convection electrofocusing 區(qū)帶對(duì)流電聚焦 返回 convection zone