替代品英语

meaning ‘alternative‘英文翻译如下意思是“替代品”例句Take the electricity leaks protection which in the middle point ungrounded electric power system as researched object. explains the concept and the important meaning of alternative electricity leakage protection;以中性点不接地供电系统漏电保护作为研究对象，阐述了选择性漏电保护的概念及其重要意义