C442 Doctor Learn from Jar

Qin Luo nodded and patiently waited for the spectroscope to arrive.

About ten minutes later, the infrared spectrometer was sent to the center of the field. After installing the equipment, he connected the wires and adjusted them for a while. Qin Luo smiled and picked up the newly prepared 'graphene' and put it into the infrared spectroscope.

"Beep, beep