ventiln.活栓ventn.排气口；火山口；发泄；表达v.发泄；表达；排放ventricular reciprocal rhythm室性反复节律ventilation and smoke exhaust通风兼排烟ventilation of transit tunnel区间换气量ventilation perfusion imaging通气-灌注成象ventilating fermentation tank通风发酵罐ventriculo-peritoneal shunt脑室-腹腔分流术ventilative trough board slot通风槽板槽孔ventilation network simulator通风网路模拟装置ventilation for deep open pit深凹露天矿通风ventilation by high presseure压入式通风