Where does the waste in the toilet of the L161 train go?

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Except for the new EMU, toilet excrement is directly discharged to the train track, so it is forbidden for trains to go to the toilet when entering the city.

Because most of the toilets of China's trains are directly connected to the outside world, the sewage excreted by passengers is directly discharged on the rails, if the train approaches the urban area, these sewage will pollute the surrounding environment, and the discharged sewage will disintegrate instantly, and will not cause too much pollution to the environment along the railway, even if there is left, during the time when the train enters the urban area and leaves the urban area, the sewage of the toilet is no longer directly discharged on the rails, but is collected in the toilet, and then processed when the train enters the garage. This not only protects the environment, but also greatly facilitates the passengers.

Because most of the toilets of China's trains are directly connected to the outside world, the sewage excreted by passengers is directly discharged on the rails, if the train approaches the urban area, these sewage will pollute the surrounding environment, and the discharged sewage will disintegrate instantly, and will not cause too much pollution to the environment along the railway, even if there is left, during the time when the train enters the urban area and leaves the urban area, the sewage of the toilet is no longer directly discharged on the rails, but is collected in the toilet, and then processed when the train enters the garage. This not only protects the environment, but also greatly facilitates the passengers.

T151 T152 Beijing West - Xining all 25K, this car is in-line, the toilet and the outside world are direct, because the bottom of the car is the same, this is the same as the whole eggplant hole column, in order to protect the health of the station area, so the station closed toilet.