A na-egosi Yong Zhang na The Competition Winners na nchịkọta a: nhazi 2 nwetara ihe nrite; ụdị ndị e nyere nkwanye ugwu bụ: Nhazi Ngwá Ahụ Ike na Ngwá Ọrụ Ọgwụ na Nhazi Igwe Buru Ibu.
Nhazi nke Yong Zhang
Nhazi Ngwá Ahụ Ike na Ngwá Ọrụ Ọgwụ Sterilized Band-aids Disinfection and Dressing nke Yong Zhang
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Nhazi Igwe Buru Ibu TNK-50N Waste Concrete Reprocessing nke Yong Zhang
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