Assemblage deformation in box type parts often causes a problem of quality control.

箱体类零件装配后，可能发生变形，改变其冷加工时的质量控制。

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Measuring the diameter of the raw glass rod is an important problem of quality control in the process of grin lens production.

在自聚焦透镜生产中涉及到一个重要的质量检测问题：毛坯玻璃丝的在线直径测量。

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The Toyota Motor Corporation issued a recall for more than 120,000 cars in China to fix a problem that could result in a loss of steering control, China’s quality watchdog said.

国家质检总局称，为解决转向系统存在的问题，丰田公司决定召回超过120000台的汽车。

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Those obstacles included a recall over allegations of unintended sudden acceleration by Toyota vehicles, a problem that raised questions about the company's quality control, safety measures and customer service.

WSJ: Toyota Overhauls Management