no operational accident

网络释义

1.	无运转事故 ... "无极继电器"," Relay,neutral" "无运转事故"," No operational accident" "无道碴之钣梁"," Girder without ballast" ... www.guandang.com

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英汉双解词典包含2704715条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。