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硬煤

  • na.hard coal; anthracite; strong coal
  • 网络bastard coal; coal stone; lively coal

硬煤硬煤
英-汉网络释义

硬煤

na.

1.strong coal; hard coal; hards; anthracite

例句：
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SOLID MINERAL FUELS. SAMPLING METHODS FOR HARD COAL AND LIGNITES. METHODS TO DETECT THE EXISTENCE OF SYSTEMATIC ERRORS.
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As expected, shipments of hard coals saw the sharpest retreat (-14%), as most of this supply is concentrated in flood hit Queensland.
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Experimental Study of Crack Characteristic of Big Medium-hard Coal Samples
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Hard coal; determination of the swelling properties using a dilatometer
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Methods for froth flotation testing of hard coal - Evaluation of flotation characteristics
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Hard coal and coke - Mechanical sampling - Coal - Sampling from stationary lots
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Hard coal and coke - Mechanical sampling - Sampling from moving streams
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Research on improving cutting anthracite ability of coal plough in this country
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Hard coal and coke - Mechanical sampling - Part 2: Coal; Sampling from moving streams
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