I've run my finger through with the needle; it's bleeding.
我的手指被针刺破了，正在流血。
A new device for measuring run out error of needle valve seat′s cone surface is proposed. The calculating and estimating methods of the error are also described in the paper.
推出了一种新的针阀体座面圆跳动误差测量装置，介绍了误差的计算与评定方法。
Adopting are type run-out of tool during pressing the window shape of thin thickness type M needle roller cage, the product quality can be improved & the bearing life can be extended .
冲压薄壁M形滚针保持架窗孔形状采用圆弧形空刀槽，可以提高产品质量，延长轴承使用寿命。
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