The relationship between the factors such as gradient, loads and groundwater and the slope stability in lake tunnel excavation should be known.
湖底隧道建设中，各种因素如边坡坡度，坡上超载以及地下水等对开挖时边坡稳定性的影响必须确定。
The overhead manned equipment in the gradient tunnel is such an equipment as can be used to transport continuously the personnel in the horizontal and gradient tunnels in the mine.
斜巷架空乘人装置是适用于矿井水平及倾斜井巷连续运送人员的装置。
Explaining the details of road safety evaluation process, for the longitudinal gradient, tunnel and other accident-prone sections, the paper gives the security measures.
阐述了道路交通安全评价的详细流程，并针对长大纵坡、桥隧处等事故多发路段，给出了安全保障措施。
Explaining the details of road safety evaluation process, for the longitudinal gradient, tunnel and other accident-prone sections, the paper gives the security measures.
阐述了道路交通安全评价的详细流程，并针对长大纵坡、桥隧处等事故多发路段，给出了安全保障措施。
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