Based upon aborative study, the component and sort of auxiliaryhaulage system are analyzed.
在仔细研究的基础上，分析了煤矿辅助运输系统的构成及分类。
2
However, the auxiliary lock is not equipped with tow haulage equipment, so double lockage tows require special pull boat assistance.
但是，辅助船闸没有牵引设备，因此双闸拖轮需要有特殊的牵引船协助。
3
The excavation technique consists of main operations including breaking, loading, haulage and support, and auxiliary work including ventilation, laying the track, digging ditches and laying pipes etc.