单词	prevention--corona
释义	prevention，corona电晕防护
随便看	direct on starter direct open cycle direct operated solenoid valve direct operating cost direct operating expenses direct operation direct, opposed to collateral directo print direct optical amplification direct optical projection stereoplotter direct option repeater director director's chair directorate directorate general of telecommunication directorate general of telecommunication (dgt) directorate-gereral of posts directorate of civil aviation directorate of civil aviation (dca) directorate of licensing directorate of licensing{=dol} directorate of regulatory operation directorate of regulatory operation{=dro} directorate of standards directorate of standards{=dos}