The Hainan Provincial Government officially issued the "Trial Measures for the Safety Management of School Bus Safety in Hainan Province" (hereinafter referred to as the "Trial Measures"). The "Trial Measures" consists of seve.......
We may think that we have a good understanding of the Moon, the celestial body closest to us, but it still maintains various secrets. We always thought it was round, but the recent discovery gave a different, in fa.......
On July 25, the joint venture project of Faster Eaton (Xi'an) Power Transmission System Co., Ltd., a Sino-foreign joint venture high-tech enterprise jointly established by Shaanxi Fast Gear Co., Ltd. and Eaton Corporation of America, held a signing ceremony in Xi&.......
The air-cooled refrigeration system can provide a cold source less than 20K. It is used to control the temperature of the raft, so as to adsorb the residual gas in the chamb.......
Recently, the Guangxi Entrepreneurship Day was held in Nanning. On the day of the event, they commended outstanding enterprises and entrepreneurs in Guangxi in 2013 and released the top 100 enterprises in Guangxi in 2014. Chairman Yu Ping of the Board of Directors of Yuchai G.......
The dynamic joint surface of the CNC machine tool mainly refers to the reciprocating part of the oil cylinder, the plunger pump, the rotating part of the sleeve and the spiral moving part of the valve. The seal of the moving joint can be divided into a gap seal (such as a labyrinth seal,.......
The technological world has made a new breakthrough, inventing artificial leaves that imitate nature. The research team has developed silk made from artificial leaves that is said to produce oxygen if exposed to li.......
The engine is the heart of the car. Regular maintenance can increase engine reliability, extend engine life, and reduce operating costs. For a long time, most domestic engine users have not formed good engine maintenance habits, or they have not gone to regular maintenance shops to m.......
The automobile aftermarket refers to various services in the process of car use after car sales. With the rapid development of China's automobile industry, the number of car ownership has risen rapidly. After-sales services such as automobile after-sales maintena.......