[Okwu mmalite]: Ụbọchị nke itoolu nke oyi, ntugharị anya abanyela na "3949", Shanxi, Henan, Shandong na ebe ndị ọzọ na-ebute ihu igwe ọhụrụ nke snow, urea ụlọ na ifufe oyi na-aga n'ihu. Kemgbe mmalite nke izu ụka gara aga, ụfọdụ osisi urea kụrụ ahịa pr...
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