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。
Rotating drilling RIGS is a new type of foundation construction machine.
旋挖钻机是一种新型的基础施工机械。
The new cone drilling machine is new machine kind which develop according to water construction need.
新型锥探机是根据水利建设需要开发的新机种。
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