The peak period of annual road transportation is in the second half of the year, especially f ......
The iron arm is wise, and the sky is clear. Recently, the departure ceremony of Xugong's 700-to ......
Since the beginning of 2019, under the unfavorable environment of the overall decline of the ......
Electricity is very important to our current life and work. Once we fall into a state of power sho ......
A patent jointly filed by East China University of Science and Technology and Shanghai Petrochemic ......
Recently, the reporter received a letter of complaint regarding the "death of a repairm ......
Structure of the ball valve seal structure The structure of the ball valve is divided into floating ......
Shanxi Taiyuan Hexi Construction Machinery Rental Market is the largest and most concentrated const ......
People feel cold, often because the temperature is lowered, it feels damp, it may be tha ......
CIMC Dongyue Longteng T50 · Three-proof semi-trailer has been recognized and praised by it ......
The use of high and low temperature testing machines is the high temperature and low temperature r ......
Schools use security gates to check whether students bring mobile phones. For many people, it may ......