单词	push and pull switch
释义	push and pull switch 拉开关
随便看	direct sum of finite groups direct sum of ideals direct sum of Lie algebras direct sum of linear spaces direct sum of modules direct sum of quadratic forms direct sum of representations direct sum of rings direct sum of sets direct sum of unitary representation direct sum representation direct sum resolution direct sums direct sum set direct-sum topological space direct sunlight direct sunshine direct supervisor direct supply direct support direct support artillery direct support fire direct supporting artillery direct supporting fire direct supporting fires lfff lffl lffw lffx lffy lffz lfgl lfhd lfhm lfhs 无线电报无线电波无线电话无线通信无绳无缘无缝无缺无罪无翼而飞