Why is it said that the Chinese Winter Olympics have achieved full standards? [Love] This "black technology" is indispensable! ๐ For the first time, China has applied the "CARBON DIOXIDE Transcritical Direct Cold Ice Making" technology to the National Speed Skating Hall! Using carbon dioxide under the vacuum pump is easily accessible critical air pressure (7.3MPa) and heat transfer capacity, supplying the venue with the required cooling and low temperature, saving 1.8 million kWh of electricity a year! [Small applause] [Small applause] #Winter Olympics ##็็ฉบๆณต #
![Gu Tianle's "Assassination Storm" was withdrawn to leave a vacuum, with a box office of 51.85 million on Friday, the lowest in the same period in a decade[fig]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)