英语词汇secondary energy sources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

短语

1
Hydrogen energy is one of important secondary energy sources in 21st century.
氢能将是21世纪重要的二次能源。
2
The process of coal changing into electricity is the process of making fuel fossil into cleanly secondary energy sources.
煤电转化过程是将化石燃料煤转化为洁净的二次能源电的过程。
3
The process of coal changing into electricity is the process of making fuel fossil into cleanly secondary energy sources.
二甲醚是一种理想的洁净燃料和气雾剂推进剂，是煤炭转化的新方向。

单词	secondary energy sources
释义	secondary energy sources 简明释义二次能源网络释义 1 ?二次能源二次能源短语 1 secondary physical sources of energy 二次物理能源双语例句 1 Hydrogen energy is one of important secondary energy sources in 21st century. 氢能将是21世纪重要的二次能源。 2 The process of coal changing into electricity is the process of making fuel fossil into cleanly secondary energy sources. 煤电转化过程是将化石燃料煤转化为洁净的二次能源电的过程。 3 The process of coal changing into electricity is the process of making fuel fossil into cleanly secondary energy sources. 二甲醚是一种理想的洁净燃料和气雾剂推进剂，是煤炭转化的新方向。
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