[討論] 臺鐵列車車頂
今天下區間車走上樓梯剛好車子還沒開走，仔細地看了車子的車頂，從頭到尾一整個都是生鏽，心想難道車頂是不用保養的嗎？如果一直放任這種情形下去，不會有天會有露水的問題產生嗎？不曉得有沒有人知道這個情形正確的處理是如何？
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