微煤岩型 microlithotype
显微煤岩类型 microlithotype of coal ; microlithotype
双组分显微煤岩类型 bimaceral
煤岩显微类型 microlithotype of coal
显微煤岩类型测定方法 Method of determining microlithotype composition
宏观煤岩类型 macrolithotype of coal
显微煤岩类型分类 Classification of microlithotype
近海型含煤岩系 paralic coal measures ; paralic coal-bearing series
使用XTR01型微机控制电液伺服试验机，采用梯级加载法，对煤岩进行了三轴蠕变试验。
Triaxial creep tests on coal rocks are carried out by Step Method and the XTR01 electric-fluid servo compression machine.
区内石炭—二叠纪煤系具有良好的煤型气及一定的煤层气潜力，中、下侏罗统和下白垩统暗色泥岩类是最具生油潜力的烃源岩系。
Permo Carboniferous coal series have relative good coal gas potential, dark mudstones in lower Jurassic, lower part of Middle Jurassic and lower Cretaceous are the best source rocks.
邢台矿区属典型的华北岩溶型石炭—二叠系煤田，下组煤普遍受巨厚奥陶系灰岩强岩溶含水层的威胁。
The Xingtai mining area is a typical North China Permo-Carboniferous karstic type coalfield, its lower coal group is generally under threat from the thick Ordovician limestone strong karstic aquifer.
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