Until recently, scientists havebeen unable to devise a drill which would be capable of cutting through hard rock at greatdepths.
直至今日，科学家尚未能设计出一种能钻透极深处坚硬岩石之钻探机。tunnelling machines - shield machines , thrust boring machines , auger boring machines , lining erection equipment - safety requirements.
隧道掘进机。盾构机止推钻孔机螺旋钻探机衬里安装设备。安全要求。A miner climbs on excavated rocks after a giant drill broke through at the final section of the NEAT Gotthard Base Tunnel, Switzerland.
一架巨型钻探机穿过了阿尔卑斯山铁路（NEAT）圣哥达主隧道终点后，一名矿工爬上挖掘的岩石上，瑞士。You let Jason operate the drill?
你让詹森一个人去操作钻探机？give me your hand ! let go of the drill.
把你的手伸给我！别管钻探机了！Industry: Testing Machine; Sensor; Absorber; Pressure Instrumentation; Drilling machine; Pressure thermometer; Pressure Sensor;
所属行业：试验机；传感器；吸收器；压力仪表；钻探机；压力式温度计；压力传感器；；Industry: Mine Hoisting Equipment; Blasting Equipment; Drilling machine; Mining Geophysical Instruments; Mining measuring instruments;
所属行业：矿用提升设备；爆破设备；钻探机；矿业物探仪器；矿业测量仪器；；Industry: Mineral processing equipment; Construction Machinery Parts; Mining Geophysical Instruments; Drilling machine;
所属行业：选矿设备；工程机械配件；矿业物探仪器；钻探机；；Industry: Fastener; Mineral processing equipment; Mining Geophysical Instruments; Blasting Equipment; Drilling machine;
所属行业：紧固件；选矿设备；矿业物探仪器；爆破设备；钻探机；；