The dismantling screw provided by the manufacturer often fails because of screw thread damage in use.

制造厂家提供的拆卸螺杆在使用中经常发生螺纹损坏而导致失效。

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Upon analysis of the screw thread damage on the dismantling screw, new dismounting kit and hollow screw have been designed and made by the plant independently a.

针对这种情况，分析了拆卸螺杆上螺纹发生损坏的原因，自行设计制作了新的拆卸套具及空心螺杆，取得了很好的效果。

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Pull-out failure is the main damage form of round thread casing connections.

连接接头滑脱失效是圆螺纹套管损坏的主要形式。

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When the market loses its momentum leaders, and you start seeing technical damage to individual stocks charts while the indices hang on by a thread, it is a sign of things to come.

FORBES: Stocks Need A Boost From Apple And Bernanke