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封闭孔
meaning in Chinese
closed pore
Related Words
封闭板
封闭灯
封闭地块
封闭公司
封闭笼
有效封闭
封闭构造
封闭受体
封闭工艺
封闭端
封闭空气间层
封闭空区
封闭孔洞
封闭孔隙
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