This value basis, as per the standardization, exclusively on the pure noise emission of the gearbox in an enclosed area measured with 1m distance.

本数值基础，是按照标准化，在封闭空间内1米的距离仅仅针对变速箱纯噪声的排放进行测试的。

youdao

This value basis, as per the standardization, exclusively on the pure noise emission of the gearbox in an enclosed area measured with 1m distance.

本数值基础，是按照标准化，在封闭空间内1米的距离仅仅针对变速箱纯噪声的排放进行测试的。

youdao