Name: New Chinese gear enhances underwater construction
Uploaded: 2026-07-24T16:24:24+08:00
Duration: PT32.917S
Description: China's self-developed shield maintenance equipment finished massive underwater cutter replacement work on the Jintang Undersea Tunnel. The project set multiple global records under extreme high-pressure seabed conditions. Chinese engineers created a

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China's self-developed shield maintenance equipment finished massive underwater cutter replacement work on the Jintang Undersea Tunnel. The project set multiple global records under extreme high-pressure seabed conditions. Chinese engineers created a special mixed gas system to guarantee workers' safety during round-the-clock underwater operations. The new technology greatly increases construction efficiency for this landmark cross-sea high-speed railway project.

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