Calibration Block rau Alpha Pro & Alpha & Beta
Calibration Block
Siv rau Beta & Alpha tsis siv neeg qhov tseem ceeb txiav tshuab
Yuav ua li cas Calibrate S1 lub puab tsaig tseem ceeb ntawm Beta tsis siv neeg qhov tseem ceeb txiav tshuab?
Sau koj cov lus ntawm no thiab xa tuaj rau peb