The customer said that the robot was stupid when it was tested on the spot. Even the wall was equip
34:07
The plc in the factory is broken. Show it to the master who repaired the circuit board. The master
32:16
The ground wire of the socket was electrified and the last master cut it off directly. As a result
1:08:29
How cruel! The kettle has more than 180 volts of electricity which is really rare! Chengyang Elect
11:27
The manufacturer said that there was a problem with the voltage when the equipment was burned and
12:45
HVAC 維修保養日常之EP264 行摩打跳overload ，但行變頻器又行到喎，找出乜嘢問題🤪🤪
38:13
The electric installation workers of the water pipes were all run away by the electricity. When the
8:09
As soon as the 130-kilowatt motor was started the switch burst directly and the construction site
32:30