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valve orifice area
meaning in English
瓣口面积
Related Words
orifice
cock orifice
semicircle orifice
oxygen orifice
sinoatrial orifice
three orifices
oesophageal orifice
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gland orifice
auriculoventricular orifice
valve or volt or voltage or violet
valve orifice
valve oscillator
valve outer chamber
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