orifice meter孔极量计;细孔流速仪
orifice discharge孔口出流
equivalent orifice等积孔;等值孔;等值孔口
Double Orifice双重面罩;双孔术
nozzle orifice喷口;喷嘴孔口;喷孔;喷枪通径
separation orifice[制冷] [仪] 分离孔板
annular orifice环形孔板;环形节流器
control orifice控制孔;调节孔板
round orifice圆孔
N-COUNT（可数名词） An orifice is an opening or hole, especially one in your body such as your mouth. (尤指身体上的)孔口 [正式]
After a massive heart attack, he was strapped to a bed, with tubes in every orifice.
经历了一次严重的心脏病发作后，他被绑在床上，全身都插着导管。