N'oge na-adịbeghị anya, mmanụ crude abawanyela na mbụ wee belata, na-enwe oke nkwalite na toluene, yana nnukwu ihe na-achọsi ike na elu na ala. Echiche nke ụlọ ọrụ na-akpachara anya, na ahịa adịghị ike ma na-ebelata. Ọzọkwa, obere ibu si n'ọdụ ụgbọ mmiri East China erutela, resul ...
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