1) Complicated Mixing coal
复杂混煤
2) comprehensive coal-rock
复杂煤岩
1.
This paper sums up the features of the coalfield's comprehensive coal-rock stratum and boring construction techniques,and analyzes the washing fluid technique and drill guarding method adopted in the boring on comprehensive coal-rock.
总结了煤田复杂煤岩地层特性和钻探施工方法,分析了复杂煤岩地质钻探冲洗液技术和钻孔护孔方法。
5) extremely complex coal bed
极复杂煤层
6) complex mixture system
复杂混合物
1.
Chemical-information-modification method in analyzing complex mixture systems;
化学信息修饰法及其在复杂混合物分析中的应用
补充资料：标准煤(见煤当量)
标准煤(见煤当量)
standard coal
、~‘~1人、4《1工兀飞coal)见煤当等
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条