• 结合潞安特点,研究成功一种新的复合粘结剂,制出抗压强度高、热稳定性好、防水性强造气

    According to the characteristics of Luan fine coal, a new compound binder was developed in this study.

    youdao

  • 结合潞安特点,研究成功一种新的复合粘结剂,制出抗压强度高、热稳定性好、防水性强造气

    According to the characteristics of Luan fine coal, a new compound binder was developed in this study.

    youdao

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