The results indicate that defect free joints with excellent appearance could be acquired by continuous laser welding with flowing helium from top and back sides.

研究结果表明，连续激光氦气双面保护可以获得保护效果可靠、无缺陷、成型良好的焊接接头。

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LPA is an ongoing system of process checks that verify proper methods, Settings, operator craftsmanship, error proofing devices and other inputs are in place to ensure a defect free product.

逐层过程审核是一项持续的过程检查系统，用来验证正确的方法、设置、操作员技能、防误装置和其他输入是否到位从而确保产品无缺陷产生。

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In software development, good debugging tools help make applications more robust and defect-free.

在软件开发过程中，良好的调试工具有助于让应用程序更加健壮，没有缺陷。

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Few plantations, however, can afford the sophisticated equipment needed to create defect-free supplies.

ECONOMIST: Espresso coffee

They give up, he says, and in the process form nearly defect-free structures that exhibit incredible bonds with the surface of the metal.

FORBES: Steely Dan

Because their dominant culture of 99% defect-free operational excellence squashes any attempts at innovation just like a Sumo wrestler sitting on a small gymnast.

FORBES: Creating An Innovation Culture: Accepting Failure is Necessary