Anzanga ambiri omwe amagwira ntchito pazamankhwala azachipatala amandifunsa, ndichifukwa chiyani ma catheters a mkodzo a Kangyuan ali ndi mbiri yabwino ndipo amatha kugulitsidwa bwino ku Europe, America, Southeast Asia ndi mayiko ena ambiri?Tiye tikambirane lero.Choyamba, t...
Werengani zambiri