It has been long time that the examination and evaluation of the concealed engineering works are made via some conventional methods, such as excavation and drillsampling.
长期以来我国隐蔽工程质量检测与评价方法仍沿用着传统开挖检查和钻孔取样试验的常规技术。
2
Core samplingdrill for deep seabed shallow strata is necessary equipment in exploration of deep seabed mineral resources and survey of deep seabed geology etc.
深海浅地层岩芯取样钻机是进行深海底矿产资源勘探、深海底地质调查等不可缺少的重大技术装备。
3
By sampling the drill cuttings and using a microcomputer at the well site, the rock drillability can be determined by the energy law measure system.