A new regulation will be introduced in 1999 to protect electricity supply lines from damage during works activities, in the interests of safety and of ensuring the continuity of electricity supply.是什么意思_A new regulation will be introduced in 1999 to protect electricity supply lines from damage during works activities, in the interests of safety and of ensuring the continuity of electricity supply.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句