英语词汇“secondary maintenance”的翻译、意思、用法、释义-英汉汉英双解词典

单词	secondary maintenance
释义	secondary maintenance 二级维修；次级维护
随便看	silver thallium i nitrate silver thatch silver thatches silver thaw silver thick film silver thick film conductor silver thin films silver thioantimonite silver thioarsenite silver thiocyanate silver thiocyanide silver thiosulfate Silverthorn silver-thorn silverthorne silver thread silverthread peperomia silver-thread roll silver thread rolls silver threads Silver Threads among the Gold Silver threads And Golden Needles Silver-throated Tanager silver tie-clip silver tie-pin