英语词汇“backup tong”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backup tong
释义	backup tong backup tong [′bak‚əp ‚täng] (engineering) A heavy device used on a drill pipe to loosen the tool joints.
随便看	layer 1 virtual private network layer 2 layer2 layer 2 aggregation concentrator layer 2 control layer 2 control protocol layer 2 forwarding protocol layer 2 relay layer 2 relay character-oriented protocol layer 2 switch layer-2 switch capable layer 2 switching capability layer 2 transport protocol layer 2 tunneling protocol layer 2 tunneling protocol version 3 layer 2 tunnel protocol layer 2 virtual private network layer 2 virtual private network services layer 2 virtual private networks working group layer 3 layer3 layer 3 length indicator layer 3 mobility management layer 3 professional layer 3 switch

英语词典包含2567994条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。