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我们最新的静电分类器3082继续是帮助科学家产生和尺寸亚微米粒子的解决方案，但具有扩展的功能和易于使用的界面。

The Q-Trak™ XP Indoor Air Quality Monitor Model 7585 unites gas and particle measurements with traditional IAQ parameters -- in one lightweight, handheld instrument that is easy to use, configure and calibrate in the field. Designed for IAQ and industrial hygiene professionals...

我对冠状病毒相关的测试设备和材料有疑问。