每日单词
工作中遇到的一些专业单词
magnet
a piece of iron that attracts objects made of iron towards it, either naturally or because of an electric current that is passed through it
磁铁，磁石，吸铁石
磁铁
socket wrench
a wrench with a handle onto which sockets of different sizes can be fitted
套筒扳手
套筒扳手
扭矩扳手，扭力扳手，力矩扳手
力矩扳手
