... 短隧道short length tunnel 圆形隧道circular shaped tunnel 马蹄形隧道horse-shoe shape tunnel ...
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circular shaped tunnel
圆形隧道
以上为机器翻译结果,长、整句建议使用 人工翻译 。
For tunnel sections with good surrounding rocks, the U-shaped rock-bolted section is selected as a final optimized section instead of the original circular reinforcement concrete lining section.
对隧洞围岩条件良好洞段,论证取消隧洞原圆形钢筋混凝土衬砌,选定马蹄形锚喷断面作为最终优化断面形式。
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