Around glue put up sealing material in the speaker surround and the anchor plate, enhancement the sound proof will raise oil to consume.
在扬声器周围和固定板周围粘贴密封材料，增强隔音会增加油耗。
Around glue put up sealing material in the speaker surround and the anchor plate, enhancement the sound proof will raise oil to consume.
在扬声器周围和固定板周围粘贴密封材料，增强隔音会增加油耗。
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