Detect faulty operation of machine, defective tooling, material and parts.

发现有生产缺陷的机床，及有缺陷的刀具，工具，材料和工件。

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We have received your letter of …, regarding the faulty operation of the newly delivered PF Freezers.

贵方关于新近交货的冷冻机运转不灵一事的来函收到了。

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All transfer dies must be protected by limit switches to stop the press in the case of faulty operation.

所有的机械手模具必须有一个限制开关在发生错误时停止冲床运转。

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But Stephen Dorrell MP, chair of the Health Select Committee, told the Today programme's Sarah Montague when there is a clinical need for the faulty implant to be removed, making the woman go through a second surgical operation is "bad medicine".

BBC: NHS breast implant policy 'bad medicine'