Map Shows Coldest Temperature Ever Recorded in Each State
The coldest U.S. temperature on record was in Prospect Creek, Alaska, on January 23, 1971, when the thermometer plunged to ...
Taiwan News3 天
Xinjiang Turpan: First Autonomous Drone Inspection at a Substation
On November 25th, at the 220 kV Jiaohe Substation operated by State Grid Turpan Power Supply Company, maintenance personnel initiated an autonomous drone inspection with the press of a remote control ...