单词	空气总管
释义	空气总管air main
随便看	secondary attribute secondary audio program secondary available voltage secondary axes secondary axis secondary axis of symmetry secondary axis of total symmetry secondary--axis of total symmetry secondary backing secondary bainite secondary bank secondary barium phosphate secondary barium phosphate-- dibasic barium phosphate secondary barium phosphate; dibasic barium phosphate secondary barrier secondary battery secondary battery--accumulator secondary battery hybrid system secondary beam secondary bending secondary benefit secondary beta-ray secondary bibliography secondary bifurcation secondary biomass