Chen Ming. DEVELOPMENT OF COOLANT PIPE FOR COAL-MINE FREEZING DIGGING[J]. STEEL PIPE, 1994, 23(4): 61-62.
    Citation: Chen Ming. DEVELOPMENT OF COOLANT PIPE FOR COAL-MINE FREEZING DIGGING[J]. STEEL PIPE, 1994, 23(4): 61-62.

    DEVELOPMENT OF COOLANT PIPE FOR COAL-MINE FREEZING DIGGING

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