tan-tan 的翻译? D1-311 is a packed fractionating column 28 metres in height (tan-tan), 4.46 metres in diameter, constructed from 304Stainless Steel. The column is separated into two sections: Zone A, Zone B . 如上资料,描述塔高时括号中的tan-tan 是什么意思或缩写?谢谢查看更多3个回答 . 5人已关注