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椭圆形断面
meaning in Chinese
elliptical section
oval section steel
Related Words
椭圆形穹顶
椭圆形钢丝
椭圆形间隙
椭圆形拱顶
椭圆形叶
置信椭圆形
椭圆形喇叭
椭圆形风洞
椭圆形活塞
椭圆形油箱
椭圆形电缆
椭圆形顶盖
椭圆形断面钢丝
椭圆形阀动图
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