หากรู้สึกแสบ ร้อน สามารถประคบเย็นเพื่อบรรเทาอาการได้ NIST Calibrations The manufacturing unit performs calibrations for the appropriate wavelength number of your spectrometer utilizing NIST traceable calibration lamps (calibration services which include IRRAD-CAL have to be ordered with spectrometer and good measurement equipment) Quick supply: most program is usually calibrated and s... https://edsgerp529dhj1.westexwiki.com/user