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排氣管上有洞是正常的嗎
排氣管上有洞是正常的嗎
更新时间:2024-11-16 02:57:22

  是正常的,一般在排氣管尾節的消音器最低點處,有一個小孔,就是為排水用的。

  這樣也可以增加消音器的壽命,不會過早的鏽穿。長時間怠速以後,也可以看見地下會有積水。

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