“保护接零”概念、定义、翻译-科学时代

单词	保护接零
释义	市政工程词汇手册 protective connect to neutral 保护接零
随便看	mother oil（石油） mother pearl shellfish mother plant mother reactor mother right mother right mother right mother right family mother right gens mother rock mother rock Mother's Day mother set mother set mothers-fathers benefit mothership mother-ship with fishing dory mother sib mother solution mother solution mother solution mother's pension mother's relative mother supplementing child draining method mother talk

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。

protective connect to neutral