折叠门和平开门运行中门扇是绕铰链旋转的，受力最大的部件是铰链，铰链的轴承摩擦阻力很小，噪音也很小。
The door is open run in peace folding doors around the hinge rotation, the maximum stress component is the hinge, bearing friction hinge is very small, the noise is small.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
Various shortcomings existed for the adoption of slide bearing in the ball mill was analyzed.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
The disadvantages of big friction resistance used by sliding are be analysed.
分析了球磨机采用滑动轴承存在摩擦阻力大的弊端。
The disadvantages of big friction resistance used by sliding are be analysed.
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