1) exposed coalfield
暴露式煤田
2) coalfield outcrop
煤田露头
1.
Theoretical analysis of numerical value of the spontaneous combustion fire-heating air pressure for coalfield outcrop;
煤田露头自燃火风压数值的理论分析
3) surface coal fields
露天煤田
1.
Study on surface coal fields classifying (Ⅰ)——set up classifying index system;
我国露天煤田分类研究(Ⅰ)——分类指标体系的建立
2.
Study on surface coal fields classifying Ⅱ:classifying methods and setting up classifying model
我国露天煤田分类研究(Ⅱ)——分类方法及模型的建立
4) exposed coalfield
出露煤田
5) exposed mode
暴露方式
1.
The effect of exposed mode on atmospheric corrosion for carbon steel at Qingdao area was investigated.
研究碳钢在青岛不同暴露方式下的大气腐蚀,结果表明:带顶盖的腐蚀面向上的B种暴露方式和带顶盖腐蚀面向下的C种暴露方式要比面朝南且与水平倾斜45°的A种暴露方式的大气腐蚀严重得多。
6) coal exposed environment
石煤暴露环境
1.
To find out the distribution pattern of hair fluoride and its affected factors in coal exposed environment, human hairs were collected according epidemiological investigation, and contents of fluoride and other life relative elements in the samples were determined.
为了探明石煤暴露环境中发氟含量的分布规律及影响因子 ,结合病情调查 ,采集发样进行元素含量测定 。
补充资料：露头
地下岩体、地层和矿床等露出地表的部分。可分为天然露头和人工露头。野外地质观察中直接或间接地反映了岩石性质、地层产状、地壳变动及矿产蕴藏等情况。
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