Akụkọ ụlọ ọrụ

Usoro mmepe nke Eugenics nke China
site admin na 23-05-12
Ngwá ọrụ akwa ụlọ sitere na 1970 malitere ịchọpụta na mpaghara CNC, dị ka ngwa nke njikwa ọsọ DC, nkwalite PLC, wdg. kwuru...
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