| 释义 | 
             
                extravesical orifice
                
            锐孔ruì kǒng 
 orifice流量孔板liú liàng kǒng bǎn 
 flow orifice plate狭口xiá kǒu 
 narrow orifice; (pass's) jaws坍落度筒测定tān luò dù tǒng cè dìng 
 orifice tube test钥匙孔形喷孔yào shí kǒng xíng pēn kǒng 
 keyhole shaped orifice诸窍出血zhū qiào chū xuè 
 bleeding from orifices of the head
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