| 释义 |
clay stone短语¹⁴⁴⁹⁷²⁺²
基本英英例句
n.粘土岩
名词 claystone:
fine-grained rock consisting of compacted clay particles The development of the small-scale structure in coal measures has closely relation to the thickness of coal bed and the distributive feature of sand body, and clay stone.
煤系中小型地质构造的发育与煤层的厚度以及砂体、泥岩分布特征有密切的关系。 chemyq |