In the combination with the human health characteristics the paper establishes again more reasonable assembly of the noise evaluation factors for normal pavement or pavement with low noise.
该文结合人体健康特性重新建立了更为合理地对普通路面或低噪音路面的噪声评价因素集合。
Thansfer adopts the whole aluminum case and the silent chain for the assembly structure more compact as well as realizes the light, low noise.
分动器采用全铝壳体、无声齿形链式传动，使总成结构紧凑，实现产品轻量化、低噪声。
It can then be refined to obtain the optimum compromise between low noise and an acceptable range of tolerances on machining and assembly.
它可以改进，以获取最佳的折衷低噪音和可接受的范围内的公差的加工和装配。
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