orificen.孔
orifice of uterus子宫口
orifice flowmeter孔板量计,隔板量计
Orifice structure喷丝孔结构
orifices of saliva津窍
orifice static tap静压测量点
orifice viscometer锐孔粘度计
orifice plate unit孔板组
orifice restrictor孔口节流器
Orifice chamfering孔口倒圆角
orifice flow meter孔流速计