adit

1. We immediately got our helmet and headlight and go down the adit .

我们立即领取了头盔及头灯，准备下矿洞探险。

2. By applying comprehensive opencasting technology and comprehensive technical research of the main adit reinforcement and monitoring , nanfen open pit mine has ensured a safe production of its adit chute transportation system and meanwhile created enormous economic value .

南芬露天铁矿应用露天开采综合技术和主平硐加固与监测的综合技术研究，确保了平硐-溜井运输系统的安全生产，创造了巨大的经济价值；

3. This paper introduces the relevant conditions of the comparison and selection of wencheng tunnel schemes , and discusses design parameter adopted in the design , assistant adit , operation ventilation and tunnel construction management planning , which to offer a reference for similar project .

简要介绍了温城隧道方案比选的有关情况，并对设计中采用的设计参数、辅助坑道、运营通风和隧道施工组织安排等相关内容进行了论述，供类似工程参考借鉴。

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