煤层结构
- 网络coal bed texture; coal seam texture; texture of coal seam
煤层结构煤层结构
coal bed texture
coal-bed gas... ... coal bed profile 煤层剖面 coal bed texture 煤层结构 coal-bed gas pressure 煤层瓦斯压力 ...
coal seam texture
seam-英汉词典-英中字典-速译通-解释意思... ... coal seam profile 煤层剖面 coal seam texture 煤层结构 ...
texture of coal seam
煤层结构,texture of coal... ... ) texture of coal seam 煤层结构 ) macro-structure of coal 煤层宏观结构 ...