煤层(coal bed)是?
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煤成气(coal derived gas)是天然气。
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膨胀率(percentage of bed-expansion)
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山西焦煤标志以“C”为切入点,是“中国”英文(CHINA)的字头,也是“焦煤”英文(COKING COAL)字头,它界定着山西焦煤集团公司的国有性质和行业特征。
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Atmospheres laden with coal dust or grain dust caused by loading these cargoes().
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As some countries attempt to shift away from natural gas or petroleum energy systems toward coal-based systems, the need for coal slurry(煤泥) will increase in these countries,()transport mode will be the first choice for transfer this kind of product.
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关于生物效应剂量BED,下面表达式正确的是()
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I never()to bed so late.
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Atmosphere laden with coal dust or grain dust caused by loading these cargoes().
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The following are the reasons why British coal mining is today called a"sick"industry except()
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煤(coal)
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What is NOT a problem when carrying coal? ()
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The English “first-footer” should be carrying coal, money, or bread, symbolizing _____.
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下面代码的输出结果是( )>>>s =[\hello\,\book\,\chair\,\pen\,\bed\,\egg\]>>>print(s[2:])
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Twin size beds are wider than full size beds , but both are the same length, that is, 75 inches (191 cm) long.
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Emissions from coal and oil burning _____________ are blamed mostly.
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A king size bed is wider than a queen size bed.
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The trouble with such resources as coal, oil and gas_____that they are not renewable.
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The coal-miners agreed to______the strike if the management would satisfy then-demands.
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Petrol is refined from mineral oil, which is superior to coal because it burns well.译:汽油是从()中提炼出来的,由于其燃烧充分,因而比煤炭好。
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From the list below choose the most suitable title for the whole of the Reading Passage. Write the appropriate letter A-D in box 27 on your answer sheet. A Pollution control in coal mining B The greenhouse effect C The coal industry and the environment D Sustainable population growth
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单选Let's__to bed()
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Which of the following is applicable to the coal plough()
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() average 10 tons of coal are needed every month.
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The calorific value of the coal measured by the bomb calorimeter is low calorific value.()