他们正尽力降低暖气系统的噪音。
They are trying their best to keep down the noise of the heating system.
没有油压系统待机时产生的噪音，可节省电力消耗从而降低生产成本。
No hydraulic system noise, can save electricity consumption and thus reduce production costs.
一个不好的地面会降低系统性能并且引起噪音发生。
A poor ground degrades system performance and can cause noise issues.
一个不好的地面会降低系统性能并且引起噪音发生。
A poor ground degrades system performance and can cause noise issues.
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