Magnesium R&D: China Aluminum Light Research and Development 400MPa Grade High-Strength High-Tough Magnesium Alloy It is possible to replace steel with magnesium
The COVID-19 pandemic has lasted for nearly three years. Will it improve in the second half of the year? Academician Zhong Nanshan gives a new direction
There was no fingerprint recognition technology in ancient times, so why did you still have to "press your handprints"? This is the wisdom of the ancestors
5 wines that are so delicious that they lick the bottle cap. Although they are small in fame, the wine quality is very high and are highly favored by the people.