| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a detection device that detects water in an exhaust pipe reliably.SOLUTION: A detection device comprises DPF22 and SCR32 provided in an exhaust pipe 12 of an engine 10, electrodes 27 and 37 for detecting an electric capacity of the DPF22 and SCR32, and a water determination part 51 in the exhaust pipe for determining whether water is present in the exhaust pipe 12 according to the electric capacity input from the electrodes 27 and 37.</p> |
