结合某天然气管道工程山体隧道设计，介绍了隧道选线的原则、隧道穿越洞口的位置选择，阐述了隧道支护结构的设计内容，并提出环境保护等措施，从而有效地保证了天然气管道工程顺利施工。%Combining with mountain tunnel design of a natural gas pipeline project, this paper introduced the line selection principle of tunnel, location selection of tunnel crossing hole, elaborated the design contents of tunnel support structures, and put forward environmental protection and other measures, so as to effectively ensure the natural gas pipeline project smooth construction.
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