[自] 功能阻碍故障 complete fault function-preventing fault: 功能阻碍故障function-preventing maintenance: 妨碍功能的维修preventing: 防止的; 预防fire preventing: 消防措施; 预防火灾;防火的preventing casehardening: 防止外干里湿下载手机词典可随时随地查词查翻译