Which country has unveiled the world's first high-speed carbon fiber train?

Which country has unveiled the world's first high-speed carbon fiber train?

دنیا کی پہلی تیز رفتار کاربن فائبر ٹرین کس ملک نے متعارف کرائی؟
Explanation

China has unveiled the world's first high-speed carbon fiber train.

China presented a ground-breaking advancement in high-speed rail technology, cementing its position as a global leader in the sector.

China has unveiled the first carbon fiber-only passenger train in history in July 2024

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