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凹口比
meaning in English
notch ratio
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
凹口板
凹口半径
凹口边缘穿孔卡片
凹口变曲试验
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