每个工作班的每个工人（或操作小组）加工完的首件需进行自检、互检和专检。
The first piece machined by each worker in every group (the operating group) needs to inspect by themselves, or by the other , and by the specialist (three types of inspection).
每个工作班的每个工人（或操作小组）加工完的首件需进行自检、互检和专检。
The first piece machined by each worker in every group (the operating group) needs to inspect by themselves, or by the other , and by the specialist (three types of inspection).
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