英语词汇secondary main怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	secondary main
释义	secondary main 简明释义低压干线网络释义 1 ?低压干线 ... 第二级侍线机 secondary line switch 低压干线 secondary main 低压网络 secondary network ... 短语 1 secondary main road 次干道 2 Secondary Main Bed 二楼次主卧 3 secondary main channel 二级主槽双语例句 1 Also, large blocks thrown aside by the impact would form secondary craters surrounding the main crater. 此外，撞击留下的大块物质会在主火山口周围形成二级火山口。 2 The main secondary manganese oxide is hollandite. 次生锰氧化物主要为锰钡矿。 3 The main tasks of the reform are to unify title systems of primary and secondary school teachers and set up senior titles. 改革的主要任务是统一中小学教师职称制度，建立高级职称。
随便看	cydippid Cydippida Cydippidea Cydippidea cydippoid larva CY discount Cydney Cydnidae Cydniidae Cydnus cydon Cydonia Cydonia japonica Cydonia Mill. cydonian Cydonia oblonga cydonia oblonga mill Cydonia Cydonia sinensis Cydonia vulgaris cydonic acid cydonin cydonium cydorge gene CYDS

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