trackless transportation

基本解釋

Objective To study measures of reducing air pollution in the tunnels which are used the method of trackless transportation to construct.
目的研究降低無(wú)軌運(yùn)輸方式施工隧道中空氣污染的措施。
The main methods of mucking in tunnel construction with drill and blast method is track-bound transportation system and trackless transportation.
鉆爆法施工時(shí)，隧道出碴運(yùn)輸?shù)闹饕绞綖橛熊夁\(yùn)輸和無(wú)軌運(yùn)輸。
At the same time, it points out several problems on developing of brakes for the coal mine underground trackless auxiliary transportation vehicles that should pay attention to.
同時(shí)指出了在開(kāi)發(fā)研制煤礦井下無(wú)軌輔助運(yùn)輸車(chē)輛制動(dòng)器時(shí)應(yīng)注意的幾個(gè)問(wèn)題。