drilling machine 钻机 ; 转孔机
radial drilling machine 摇臂钻床 ; 旋臂钻床 ; 钻床 ; 旋臂床
vertical drilling machine [机] 立式钻床 ; 立钻 ; 立式占床
bench drilling machine 台式钻床 ; 台钻 ; 台式钻孔机
column drilling machine 圆柱立式钻床 ; 圆〔方〕柱立式钻床 ; 柱式钻床
Upright drilling machine 立式钻床 ; 直立钻床
rock drilling machine 凿岩机 ; 钻岩机
Electric drilling machine 电钻床 ; 电动钻机
ultrasonic drilling machine 超声波打孔机床 ; 超声波钻床
deep hole drilling machine [机] 深孔钻床 ; 深孔钻孔机
The world's longest tunnel will take shape deep beneath the Swiss Alps on Friday when a giant drilling machine clears a path for a key high speed railway through the heart of Europe.
在巨大的钻孔机清理出一条小道后，横贯瑞士阿尔卑斯山下方世界上最长的隧道终于成形。这条隧道将建设成为穿过欧洲心脏地带的高速铁路通道的关键路段。
After 15 years of construction work, the 9.5-meter (31-foot) wide drilling machine will bore through the remaining 1.5 meters of rock to join two ends of the tunnel some 2,000 meters under a mountain.
经过15年的施工，9.5米宽的钻孔机将会钻穿最后剩下的1.5米的岩层，联通了位于山体下2000米的隧道两端。
The functions of the driving mechanism directly affect drilling efficiency, borehole quality and other technological performances of the drilling machine.
钻机给进机构性能的好坏直接影响钻探效率、钻孔质量的高低和钻机其他技术性能的发挥。
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