赛斯专业词典
Thick Hard Seam
坚硬厚煤层
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Hard Thick Coal Seam
坚硬厚煤层
Shallow-reserved hard and thick coal seam
浅埋硬厚煤层
20m very thick seam
20m特厚煤层
Complex thick seam
复杂厚煤层
Deep thick hard roof
深部厚坚硬顶板
Extra Thick Seam
特厚煤层
Giant thick seam
巨厚煤层
Inflammable Thick Seam
易燃厚煤层
Medium-Hard Thick Seam
中硬厚煤层
shallow thick seam
浅埋厚煤层
shallow-buried thin bedrock thick seam
浅埋薄基岩厚煤层
shallowly-buried and thick seam
浅埋深厚煤层
slope thick seam
倾斜厚煤层
Soft and Thick Seam
松软厚煤层
Soft Thick Seam
软厚煤层
Special Thick Seam
特厚煤层
steep inclined thick seam
急倾厚煤层
steep thick seam
急倾斜特厚煤层
大倾角厚煤层
thinner thick seam
较薄厚煤层
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