英语语法分析

The support with bolt and cable is a main way of roadway drivage.

锚杆锚索支护是巷道掘进的一种主要形式。

Finally, the examples of projects pointed out lessons learnt from roadway drivage in soft rock.

最后，通过工程实例说明在软岩巷道施工中所吸取的教训。

The sizes of cross-section are related to the drivage costs, maintenance costs and ventilation electric costs.

井巷断面大小直接关系到掘进费、维护费和通风电费。