请输入您要查询的英文单词:

 

单词 coal series
释义
coal series
  • 简明释义
  • 煤系
  • 网络释义
  • 1

    ?煤系

    ... 煤层〔炭层〕 coal-seam 煤系 coal-series 接合冲积扇 coalescing alluvial fan ...

短语
  • 双语例句
  • 1
    The synthesis of detergent-used 4A zeolite from coal-series Kaolin which was treated with sulfuric acid firstly was studied.
    研究了以煤系高岭土为原料,经硫酸处理后采用水热转化法合成洗涤剂用4A沸石的方法。
  • 2
    The Late Mesozoic characterized by higher temperature gradient is main period of gas generation and migration of Paleozoic coal series and carbonates.
    中生代晚期地温梯度高,是古生界碳酸盐岩及煤系地层的主要生气期和运移期。
  • 3
    The coal series origin theory and the carbonate origin theory both provide abundant geochemical data, but there are much doubt about them.
    煤系成因说、碳酸盐岩成因说都提供了丰富的地球化学资料,但也留下不少的疑问。
随便看

 

英汉双解词典包含3185865条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/8/23 19:23:24