At this time, it is at the time of the Meng Xia period, when the thunderstorm increases, the frequent rain and wet environment can easily lead to the condensation in the laser, thus reducing the pe...
CNC ROUTER
A computer numerical control (CNC) router is a computer-controlled carving and cutting machine related to the hand-held router used for cutting various hard materials, such as wood, comp...
Starting in January 2020, an infectious disease called “Novel Coronavirus Infection Outbreak Pneumonia” has occurred in Wuhan, China. The epidemic touched the hearts of people all over ...