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可采煤层
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矿业工程技术词汇手册
可采煤层
commercial bed;commercial seam
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equiconcave lens
equidensitometering
equidensity
equidistance
equidistance boundary
equidistant
equidistant curve
equidistant curve
equidistant diplomacy
equidistant projection
equidistant projection
equidistant projection
equidistant surface
equidistant surface
equidistribution
equi-energy light source
equifinality
equiflux heater
equiform
equigranular
equilateral hyperbola
equilateralis
equilateral polygon
equilateral triangle
equilateral triangle
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