中厚煤层 meaning in English

medium thickness seam
medium-thicknessseam

Analysis on coal quality at light mining face in
中厚煤层轻放回采煤质问题分析
Discussion on design for fully mechanized longwall coal mining face
大倾角中厚煤层长壁综采工作面设计探讨
Prevention and control of spontaneous combustion in gate along nest gob in medium - thick seam
中厚煤层沿空顺槽自然发火防治技术
Complex control of gas at upper corner angle of medium - thick seam with fully mechanized caving mining
中厚煤层综放工作面上隅角瓦斯综合治理
Optimization design of mining technique in high outputs and high efficiency mining face in medium thick coal seam
中厚煤层高产高效工作面采煤工艺优化设计

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