May Day · Focus | CCTV's "National Memory" Focuses on Railway Construction Heavy Industry: Look at the New Era Chaser, Dream Building Technology

May 1，CCTV（CCTV-4）“May 1 International Labor Day”Special program《National memory》Focus on Railway Construction Heavy Industry，Look at the light chasers of the new era.——“Craftsmen in a big country”How Zhang Shuaikun and His R & D Team Build Dream Technology，Break through the technological shackles，Turn construction machinery into a trump card！

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