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                          Qinghai-Tibet railway passenger cars

                          Release time:  2018-12-17

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                          ????? They’re equipped with special oxygen supply system.

                          ????? They are characterized by environmentally sound design; “ zero discharge” has been achieved for the first time in China.

                          ????? They are equipped with anti-ultraviolet, anti-sand blown by wind, and anti-lightning systems.

                          ????? They have good leak tightness.

                          ????? They are equipped with special windows adapting to air pressure variation.