×
凹形凸轮
meaning in English
concave cam
Related Words
脉冲凸轮
凹
椭圆凹
地槽凹
凹痕打凹
窝凹
成凹
球凹
凹坡
凹损
凹形竖曲线
凹形铁板
凹形挖掘铲
凹形弯粗骨锉
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