单双计算规律简介：Cao Min has an iron factory in Shanxi. The iron materials used in Zhenlu Factory come from Cao Min's iron factory, and all the coal materials come from Shanxi. Although he was frightened, Zhao Jingzhi still spoke in a very orderly manner.
Cao Min has an iron factory in Shanxi. The iron materials used in Zhenlu Factory come from Cao Min's iron factory, and all the coal materials come from Shanxi. Although he was frightened, Zhao Jingzhi still spoke in a very orderly manner.
