Ayajẹ nankọ die nado tindo họntọn lẹ to olá!—Confucius
Fun wiwa jijo fun Ajọ HEPA, o jẹ mimọ daradara lati lo aerosol photometer fun idanwo. Loni, A yoo mu ZR-6012 Aerosol Photometer gẹgẹbi apẹẹrẹ lati ṣafihan ilana wiwa fun ...