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美国劳工统计局于上周四发布最新生产者价格指数PPI）报告。数据显示，玻璃及玻璃制品制造业的PPI在1月份上调1%后，2月份再次上涨0.5%。过去五个月中，该行业的生产成本已有四个月呈上涨趋势。

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水质安全，关乎你我他。在多年的水质检测实践中，我深刻体会到，每一个细微的误差都可能影响到检测结果的准确性，进而影响到我们对水质安全的判断。今天，我想和大家聊聊一个大家可能不太熟悉但至关重要的概念&md

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