DC tam sim no GB / T 20234 poj niam connector GB / T 20234 EV socket Nrog peb cov kev vam meej kev ua hauj lwm thiab kev xav txog kev daws teeb meem, tam sim no peb tau raug suav hais tias yog ib tug neeg muab kev pab rau ntau intercontinental prospective buyers.Nrog rau cov thawj-chav khoom, kev pab zoo heev, xa khoom sai thiab tus nqi zoo tshaj plaws, peb tau yeej qhuas txawv teb chaws.