单词	slipping ring
释义	slipping ring 环，集电环
随便看	planing length planing-machine planing machine planing machine operator planing machine platen planing machines planing machines vertical planing machine table planing mill planing mill products planing of rail planing of stee plate planing operation planing,planing and shaping planings planing slide bearing planing speed planing theory planing thickness planing tool planing tool carriage planing vertical surface planing width planing work planinic 执迷不误执迷不返执迷不醒执锐披坚执鞭坠镫执鞭随蹬执鞭随镫扨扩扪たち姿たち寄るたち小便たち尽くすたち居ふるまいたち居ふる舞いたち居振るまいたち居振る舞いたち帰るたち幅とび