large horizontal tunnel 超大断面水平隧道
super large horizontal tunnel 超大断面水平隧道
fire in a horizontal tunnel 水平巷道火灾
tunnel horizontal deformation 隧道水平变形
horizontal control in tunnel 洞内平面控制测量
horizontal exploratory tunnel supporting 勘探水平坑道支护
horizontal swirling flow tunnel 水平旋流洞
For tunnels with a downhill slope the critical wind velocity is somewhat greater than for the corresponding horizontal tunnel.
下坡隧道临界风速会稍大于水平隧道的临界风速。
When estimated by inherent standard deviations of GPS receivers, the accuracy of lateral piercing can also meet the needs of a horizontal tunnel control network.
采用GPS接收机标称精度进行估算，其结果也满足隧道控制网的要求。
So we construct for the background by the Second Shizuishan Mining, tunneling of the coal road and rock drift, carried on research to single tunneling technique of the horizontal tunnel.
本文以石嘴山二矿煤、岩巷的掘进施工为背景，对水平巷道单巷掘进技术进行了研究。
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