词汇	族系相似
释义	族系相似 zúxì xiāngsì〔lg.〕family resemblance
随便看	ventilation sub-areas ventilation subvertical ventilation supply line ventilation survey ventilation switch ventilation symbols ventilation system ventilation-system ventilation system fluid field ventilation system for underground mines ventilation system of anesthesia machine ventilation system of hydrogenerator ventilation system of main powerhouse ventilation system plan graphs ventilation systems ventilation systems of air conditioning ventilation system sound reduction ventilation systen ventilation teakage ventilation technics ventilation technique ventilation technology ventilation terminal ventilation test ventilation test letter