Outdoor AC high voltage vacuum circuit breakers (hereinafter referred to as circuit breakers) are outdoor power distribution equipment with a rated voltage of 12KV and three-phase AC 50Hz. Mainly used for breaking and closing load current, overload curren
Womens fashion long fake down jacket, body quilting, especially the waist quilting design shows the figure, high collar is designed to keep warm, fabric light and ribbon on both sides of the front zipper to show the fashion
The outstanding feature of Wolfram 4mm tungsten bar is that they can be batch operated. Among the rod-like metal materials, tungsten rod has the highest melting point. In heat, electric conduction and electron emission, it performs very well.