单词	分段巷道
释义	分段巷道intermediate drivage
随便看	essential bradycardia essential bus essential calculus essential cause essential--cause essential cause-- efficient cause essential cause; efficient cause essential character essential--color essential colour essential completeness essential complexity essential component essential compound essential constituent essential convergence essential discontinuity essential discord essential dysmenorrhea essential ejecta essential element essential elements of valid contract essential equipment essential extension essential facilities doctrine