Lightwave18 wrote:桃園捷運自己檢查出...(恕刪)
jaar1234 wrote:這種事有可能是外人檢查出來的?你沒事常去機捷逛鐵軌?(恕刪)
Lightwave18 wrote:有種工作叫做軌道檢...(恕刪)
jaar1234 wrote:你怎麼知道在檢查出來前,列車在上面開了幾趟了?