bevelled shoulder
... bevelled sealing surface 锥形密封面 bevelled shoulder 斜台肩 bevelled washer 斜垫圈 ...
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带斜坡肩台 beveled shoulder
·2,447,543篇论文数据，部分数据来源于NoteExpress
短钻杆按台肩形状分为斜台肩和直台肩两种结构。
According to the shape of the shoulder, the structure include sloping shoulder and straight shoulder.
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