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国际认可！热烈祝贺我司通过“CNAS 17034”标准物质/标准样品生产者认可证书！历经风雨，跨越重重难关，经过全体同事的不懈努力，北方伟业计量集团有限公司于近日顺利通过考核并

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近日，一脑瘫女孩李曼在社交平台分享了自己备孕打卡吃叶酸的视频，引发网友热议。视频中，李曼边吃叶酸边说：早一粒，晚一粒，明年生个小baby。她视频的配文是，不管世俗的眼光如何，做好自己就行，不偷不抢不藏

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