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部分上夜班的煤矿工人存在着睡眠—觉醒紊乱状况,使工效降低,甚至发生事故。文章探讨了发生紊乱的原因,提出了改善的办法。
Part of the night shift coal miners sleep-wake disorders, reducing work efficiency, and even accidents. The paper explores the causes of disorder, and proposes ways to improve it.