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- ▪ sparks fly for 210 minutes: new rails precisely joined to safeguard china-europe railway express "iron artery"
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un5-150zb leased by chengdu railway bureau was successfully delivered
addtime：2025-07-11click：62
on july 11, 2025, the un5-150zb leased by the bridge and tunnel overhaul section of chengdu railway bureau was successfully delivered to the guizhou project department.
