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凹状叶
meaning in Chinese
concave leaf
Related Words
凹
椭圆凹
地槽凹
凹痕打凹
窝凹
成凹
球凹
凹坡
凹损
凹出
凹状扭曲研磨
凹状谐振腔
凹状振荡器
凹锥形
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