求翻译：检查各类人员在独立从事每个维修项目或者维修管理、支援工作前应当至少经过培训大纲中规定的项目培训并合格，并且经过下述要求的更新培训或再培训是什么意思？

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Check all types of personnel engaged in each of the independent repair project or maintenance and management, support the work should be at least a Training outline provided in the Project training and qualified, and have the following requirements for updating the training or retraining

Inspects each kind of personnel to be engaged in before independently each service project or the service management, the support work must pass through at least project training which in the training program stipulated and qualified, and passes through following request renewal training or the retr

Check all categories of personnel engaged in each independent repair project or management, support should be at least before training project provided training and qualified in the outline, and after the following requirements of updating training or retraining

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