This will provide a basis for the increase of the large bearing of the disk cutter and reduction of vibration and noise of the tunneler during operation.

  • 这将为刀盘大轴承寿命的提高、掘进机工作时振动及噪声的降低,提供可靠的理论依据。

  • 互联网摘选 2025-01-20 11:46:49

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