词汇	跡痕
释义	跡痕 jì hén犹痕迹。迹痕
随便看	Ventilation roadway ventilation roof ventilation room ventilations ventilation safety ventilation sample ventilation scan ventilation scheme ventilation scintigraphy ventilation section ventilation session ventilation shaft ventilation shaft/pipe ventilation shafts ventilation shield Ventilations,High Frequency Ventilations,High-Frequency Ventilations,High-Frequency Jet ventilation silencer ventilation silo ventilation slab ventilation slot Ventilations,Maximal Voluntary Ventilations,Mechanical Ventilations,Middle Ear