residual elements中文什么意思
残余元素
微量杂质元素
例句与用法
- The specification of this residual element is still a matter of controversy .
关于这种遗留下来的要素的说明仍是一个争论的问题。 - The specification of this residual element is still a matter of controversy .
关于这种遗留下来的要素的说明仍是一个有争论的问题。