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07.01.09
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  • coalÊÇʲô?



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    bituminous coal£»bitumite:soft coal

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  • coal Óֳơ°ÃºÇøÓò±äÖÊ¡±¡£



  • coalÊÇú



  • ×î¼Ñ´ð°¸ - ÓÉͶƱÕß2008-01-10 11:42:08Ñ¡³ö

    coal
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    The ship called at Boston to coal.
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