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OVERCOME THREE KEY CHALLENGES! SHANXI ACHIEVES INDEPENDENT DEVELOPMENT OF A CHINESE ROTOR闯三关！看山西制造锻出“中国转子”
OVERCOME THREE KEY CHALLENGES! SHANXI ACHIEVES INDEPENDENT DEVELOPMENT OF A CHINESE ROTOR闯三关！看山西制造锻出“中国转子”
访世界海拔最高旅客乘降所，揭示高原铁路运营独特挑战与壮丽景观。
Visiting the world's highest-altitude passenger stop reveals unique challenges and stunning landscapes of plateau railway operations. #Plateau#
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