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  • The acoustic emission monitoring of the roof and floor pillars surrounding the stopes was done with YSS acoustic emis-sion meter.

    用YSS声发射仪对采场四周的顶底柱进行声发射监测。

    youdao

  • The acoustic emission monitoring of the roof and floor pillars surrounding the stopes was done with YSS acoustic emis-sion meter.

    用YSS声发射仪对采场四周的顶底柱进行声发射监测。

    youdao

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