车身板件 Body panel
身板件
Body panel
以上为机器翻译结果，长、整句建议使用 人工翻译 。
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
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