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أخبار الصين
Chinese large-diameter tunnel machine shipped to Saudi Arabia
The Chinese Railway Equipment Group in Tianjin has launched its first large-diameter tunnel boring machine specifically designed for export to Saudi Arabia. The machine will be used in the extension project of Riyadh's Metro Line 2. The cutter head has a diameter of 11.16 meters and a length of up to 105 meters. It will be employed in a tunnel approximately 6 kilometers long as part of an overall project length of 8.4 kilometers. The machine was developed to withstand the complex geological conditions in the project area, with enhancements made to its water injection system design and segment installation technology.
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