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【单选题】
随着时间的延长,石油沥青中三大组分逐渐递变的顺序是( )。A.
石油—树脂—地沥青质
B.
树脂—油分—地沥青质
C.
石油—地沥青质—树脂
D.
树脂—地沥青质—油分
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皮皮学刷刷变学霸
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A.
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B.
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C.
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D.
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