“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	polypetalous corolla polypetalous flower polypetaly polyphage polyphagia polyphagia polyphagia polyphagia polyphagia due to stomach heat polyphagic emaciation polyphagy polyphagy polyphalangia polypharmacy polyphase alloy polyphase current polyphase flow polyphase structure polyphenols polyphenyl polyphenyl polyphenylamine (PAN) polyphenylene polyphenylene ether (PPE) polyphenylene sulfide

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