铁的熔点是 1540℃,为什么中国古代炉温大于 1200℃就可以用来将铁矿石化为铁水来炼铁了? | 8k8 com register online | Updated: 2024-08-09 10:47:15
HANOI - Nguyen Phu Trong, general secretary of the Communist Party of Vietnam Central Committee, passed away at the age of 80, Vietnam News Agency reported on Friday.