In Chapter four, the parameter in the bolt fastening process is set down and the controlling methods and comparison is analyzed.

第四章讨论了螺纹装配过程参数的设定和螺栓拧紧的控制方法及比较，并对拧紧控制方法的选用进行了分析。

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Cold upset female die of fillister head is the key mold in the manufacturing process of heading bolt.

冷镦圆头凹模是冷镦螺栓生产过程中的关键模具。

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Through the analysis to the test results, how to set up a reasonable tightening process for cylinder head bolt is expounded.

通过试验分析，阐述了如何合理地制定缸盖螺栓的拧紧工艺。

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U.S. horses slaughtered in Mexico (as well as Canada) for export to the EU are slaughtered at EU-approved plants using the same captive-bolt process that was used in the U.S. when slaughter houses still killed horses here.

FORBES: Over Public Outcry, Governor Signs Horse Slaughter Bill