HOHHOT — As a heavy-haul train entered a hydrogen fueling station, an automatic robot extended its arm, took out the hydrogenation nozzle and began refueling. The hydrogen fueling station for CHN ...
HOHHOT, June 5 (Xinhua) -- As a heavy-haul train entered a hydrogen fueling station, an automatic robot extended its arm, took out the hydrogenation nozzle and began refueling the train. The hydrogen ...
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