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日々の質問(2018年1月16日)

2018-01-16View Original

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石炭の石炭化の程度に応じて、石炭は主に 3 つのカテゴリに分けられますか? 褐炭、瀝青炭、無煙炭
Reply #22018-01-16
石炭の石炭化の程度に応じて、石炭は主に 3 つのカテゴリに分けられますか? 答え:褐炭、瀝青炭、無煙炭
Reply #32018-01-16
石炭は石炭化の程度に応じて、主に無煙炭、瀝青炭、亜炭の 3 つのカテゴリーに分類されます。
Reply #42018-01-16
無煙炭、瀝青炭、褐炭の 3 つのカテゴリに分類されます。
Reply #52018-01-16
無煙炭、瀝青炭、亜炭の 3 つのカテゴリに分類されます。

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