Bettersize Particle Size Analyzer, Laser Diffraction Particle Size Analyser - 1 views
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bettersizexu on 11 Jul 19particle size analyzer instrument
Ultrasonic humidifier uses 2 million times per second of ultrasonic high-frequency vibration to convert water mist into ultrafine particles and negative oxygen ions of 1 micron to 5 micron, negativ...