On the features of ELEC SUP of CETV network on single axle cords, requirement of ELEC SUP equipment and the situation of practical application.是什么意思_On the features of ELEC SUP of CETV network on single axle cords, requirement of ELEC SUP equipment and the situation of practical application.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句