- 商業(yè) commerce; trade; business
- 煤層 coal rake; coal seam; coal b ...
- 煤層 [地質(zhì)學(xué)] coal rake; coal seam; coal bed 薄煤層 thin seam; 厚煤層 thick seam
- 工業(yè)煤氣 industrial gas
- 薄煤層 black ring; girdle; low coal seam; low-coal deposit; thin coal; thin seam
- 底煤層 cellar coal
- 多煤層 multiple seam
- 復(fù)煤層 composite seam
- 厚煤層 callows; high coal; thick coal; thick seam
- 煤層薄 balk; baulk
- 煤層氣 cbm; coal-bed gas; coal-seam gas; coalbed methane
- 煤層組 coal measures; group of seams
- 無煤層 barren coalmeasures
- 沼煤層 blanket moss
- 主煤層 main seam
- 埃及電業(yè)煤氣聯(lián)合會 egyptian electric gas federation
- 工業(yè)企業(yè)煤氣安全規(guī)程 safety code for gas of industrial enterprises
- 【礦物】薄煤層。 low seam
- 暗淡煤層 dull layer
- 薄煤層床 shallow fuel bed
- 薄煤層開采 thin-bed mining
- 標(biāo)志煤層 marker seam
- 不可采煤層 unworkable seam
- 采掘煤層 tap a seam
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