1) Baidong coal
白洞煤
1.
The direct liquefaction characteristics of Baidong coal was systematically investigated in a micro autoclave at different experimental conditions.
采用微型高压反应釜,在不同温度和氢初压条件下,考察了白洞煤的液化性能,并采用模拟蒸馏对液化产物油进行了分析。
2) coalhole
['kəulhəul]
煤洞
1.
This paper introduces the application results and some experience for detecting invisible crack, coalhole, karst and the thickness of accumulation by using audio frequency electric method, VLF electromagnetic method, electric sounding method, high density .
本文简要介绍了音频大地电场法、甚低频电磁法、电测深法、高密度电阻率法、浅层地震法、声波跨孔法等物探技术探测隐伏裂缝、煤洞、岩溶以及堆积物厚度等方面的应用成果和一些经验。
3) white hole
白洞
4) lignite ancient cavern
褐煤古洞
5) Dongwan coalmine
洞湾煤矿
1.
The Dongwan coalmine is locating to the west of Qinglong county seat,Guizhou Province.
洞湾煤矿位于贵州省晴隆县城以西,含煤地层为龙潭组砂泥岩层,主采煤层为10、22、24、25、26五层,目前开采深度为175m,已形成大寨滑坡及五个塌陷区,通过分析计算,本区煤层的安全开采深度为3 363m。
6) Longdong Cave coal mine
龙洞煤矿
1.
After about ten years mining,a large mine void was formed in the subterranean Longdong Cave coal mine,and this condition resulted in the drying up of some springs due to large amounts of groundwater drainage.
攀枝花市西区龙洞煤矿经过十余年的生产,不但在地下形成了较大范围的采空区,而且通过影响地下水形成了较大范围的疏干,致使矿区内大部分泉点断流。
补充资料：白莲洞遗址
见中国西南地区人类化石和旧石器文化。
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