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瓣石
meaning in English
petasus
Related Words
咽瓣
唇瓣
心瓣
翼瓣
孢瓣
肥厚瓣
上瓣
波瓣
后瓣
栅瓣
瓣上狭窄环
瓣上型主动脉口狭窄
瓣式快门
瓣式喷管
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