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gearpatrol
5 天
Did G-Shock Just Unveil the Best “CasiOak” Yet?
At face value, the CasiOak inches ever closer to its high-end namesake with a new all-analog chronograph version on the way.
21food.cn
26 天
EXCELLIMS GA2100 电喷雾-离子迁移谱仪
IMS - 离子迁移谱技术 ,是在大气压或近大气压下,根据样品分子离子在漂移管的特征迁移时间,对微量化学成分进行快速检测。于20世纪70年代开始发展,目前离子迁移谱技术已经跃升至“快速检测有毒有害物的十大技术”之首,主要应用于爆炸物、毒品、化学 ...
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