【医】气管直径

tracheal diameter tracheal orifice tracheal hypodermis tracheal epithelium tracheal commissure tracheal gland tracheal cell tracheal gill tracheal capillary dorsal tracheal trunk ventral tracheal trunk tracheal ligaments tracheal plates rings tracheal tracheal forceps tracheal ligament tracheal sound tracheal web tracheal plate