1.Make sure your device is in good condition with the trial, use
2. Adjust the stand to be in accordance with the experiment by observing degrees degree angle measured from the
3. Open the valve to let air tanks air flow into the
4.Turn on the pump to Peristaltic distilled water flow into the work
การแปล กรุณารอสักครู่..
![](//thimg.ilovetranslation.com/pic/loading_3.gif?v=b9814dd30c1d7c59_8619)