Ekele dịrị ọkpọkọ DS SML anyị maka ịgafe usoro 3000 nke ọma na ule mgbasa mmiri ọkụ na oyi otu ugboro, nke bụ ule kachasị sie ike na ọkọlọtọ EN877. Akụkọ nnwale ahụ bụ nke onye ama ama nke atọ bụ Castco na Hongkong mere, onye European Institute dekọkwara nsonaazụ ya.
Nsonaazụ ya bụ ọkwa 0 dị elu, ọ dịghịkwa nchara na afụfụ mgbe usoro mmiri ọkụ na oyi 3000 gasịrị, nke karịrị usoro 1500 achọrọ na En877. Nke ahụ pụtara na ịdị mma nke paịpụ ígwè DS karịrị ọkọlọtọ na Europe.
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Oge ozi: Nọvemba-30-2020
