roadways

The surrounding rock of roadways in soft coal seam has low strength and bad stability.

软煤巷道围岩强度低,稳定性差.

Other factors that may affect dam selection are roadways, fishway, locks, and log passages.

其他影响选坝的因素有道路, 鱼道, 船闸和筏道等.

And also measure of rock control for different kinds of roadways arc proposed.

针对巷道的不同类型,探讨了相应的围岩支护控制措施.

The monolithic support for shaft and roadways is lining and masonry.

井巷整体式支护是指竖井井壁和巷道碹体等支护型式.

The rock in the fault zones in mine roadways are generally fractured and difficult to support.

矿山巷道中的断层带岩石一般比较破碎,难以支护,而且常常与含水层导通,易发生涌水.

Circular intersection. Drag the center control handle to add up to eight connecting roadways.

环形交叉. 拖动中心控制手柄,最多可添加八条相连的道路.

The magnitude and direction of horizontal stress has an essential influence on the stability of roadways.

众所周知,水平应力的大小和方向对巷道顶板稳定性起着决定性的作用.

The north and southbound roadways are each ( 15 . 85 m ) wide with two ( 1 . 52 m ) sidewalks .

南北走向的公路每个方向道宽 15.85m,带有两侧各 1.52m 的人行道.

Application and experiment result of radio wave in roadways is introduced.

介绍了无线电波在巷道中的应用情况及实验结果.

Different depth of roadways under various stresses and so its stability is different.

不同埋深的巷道,所受应力状态不同,则所处的稳定状态也不相同.

Disrupted roadways and railways that can endanger motorists and disrupt transport and access to health care.

受阻的道路和铁路会危及驾驶员的安全,中断运输以及获得医疗服务的途径.

Drag onto the page, then drag the yellow diamond to add up to eight connecting roadways.

拖到绘图页上, 然后拖动黄色菱形,可添加最多八条相连的道路.

Landscapes are full of linear elements roadways , train tracks, fence rows, ridgelines, tree branches.

各种风景中充满了线形的元素——小路, 火车轨, 栅栏, 山脊线, 树枝等.

Even maintenance of enclosed roadways and pipelines could also be affected by winter weather.

即使是关闭的路面和管线的维护也将受到冬季气候的影响.

Finally the author gives some suggestions in improving radio propagation in roadways.

最后,提出了改进无线电波在井巷中使用效果的几点建议.