掘进面 meaning in English

driving face

Application research on gas emission features in heading faces in huainan coal mining area
淮南矿区掘进面瓦斯涌出特性应用研究
This method has the advantages of no need of dismantling the cutterhead at heading face place , no need of setting up vertical shaft or operation corridor , less construction difficulty , quick reparation and low cost
该方法无需在掘进面拆解刀盘、建竖井或工作廊道，施工难度小，修复速度快，费用低。
The high - voltage flameproof switchgear is a key apparatus for 6kv - power supply system in underground mines . the switchgear is used for supplying power energy to hv working machinery or next lv distribution station in coalface
煤矿井下6kv电网防爆开关是矿井供电系统的关键设备，它负责向工作面和掘进面的工作机械提供电能。
After comparing three repair scenarios , the following methods were chosen : injecting modified mud to heading face through mud supply tubes of the shield construction machine to block water seepage on the heading face ; then maintenance worker entering the cabin under pressure to replace damaged seal and press cutterhead
经分析对比，最终选择了从盾构机供浆管道向刀盘掘进面压注改性泥浆，对掘进面进行封堵止水，维修人员带压进舱，更换密封与压盘的方法。