Isi ngwa nke teknụzụ ultrasonic na mpaghara nkwadebe ọgwụ ndị China ọdịnala bụ mmịpụta ultrasonic.Ọnụ ọgụgụ dị ukwuu nke ikpe gosipụtara na teknụzụ mmịpụta ultrasonic nwere ike ịbawanye arụmọrụ mmịpụta ma ọ dịkarịa ala ugboro 60 ma e jiri ya tụnyere teknụzụ ọdịnala.
Site na Nọvemba 3 ruo 5, 2020, ewepụtara ihe ngosi akụrụngwa ọgwụ mba ụwa na Chongqing, China.N'ebe ngosi ihe ngosi, ndị ahịa ọkachamara anyị na ndị ọrụ nka na-eme mkparịta ụka miri emi na ndị ọbịa si n'akụkụ ụwa nile, na-ekerịta ahụmahụ ma mụta ihe site na ibe ha.
Oge nzipu: Nov-11-2020