core boring method

用法例句

Diamond core drilling equipment--Wire line system

GB/T16951-1997金刚石绳索取心钻探钻具设备

Analysis on the Cause of Drilling Pipe Fracture in Wire-line Coring Construction and the Countermeasures

绳索取心钻探施工中钻杆折断原因分析及应对措施

STUDY ON HYDRAULIC ANTI-REVOLVE CORE SAMPLING TECHNIQUE OF PIT BORING WITH SINGLE TUBE

坑内单管水力反循环取心钻探技术研究

Research on Deep Hole Wire Line Core drilling Tech.in Complicated Stratum

复杂地层中深孔绳索取心钻探技术研究

Improvement and Development of Core Drilling Method in Scientific Drilling

科学钻探取心钻进方法的改进和发展

Selection of Core Drilling Method for WFSD-2 of Wenchuan Earthquake Scientific Drilling Project

汶川地震科学钻探二号孔取心钻进方法的选择

Diamond drilling replaced percussion drilling.

金钻探取代了冲击钻探。

Beta Distribution and Quality Contrel of Drill-Core Recovery

贝塔分布与钻探取心率的质量控制(一)

Research on Natural Gas-hydrate Pressure and Temperature Coring Technology

天然气水合物钻探取心保真技术研究

Current State of the Art of Coring and Processing in Marine Gas Hydrate Drilling

海洋水合物钻探取心与处理现状分析

A Technical Investigation on Drilling in Australia and the Technical Service of Wire-line Coring Percussive-rotary Drilling

澳大利亚钻探技术考察与绳索取心冲击回转钻进技术服务

Difficulties and countermeasures of gas hydrates coring drilling of marine deep water

深海天然气水合物钻探取心的难点与对策

Drilling Coring Technology for Study on Stability against Sliding in Dam Foundation of Wudu Reservoir

武都水库坝基抗滑稳定研究钻探取心工艺

double taper bit

两层镶嵌刃取心钻头

electrically driven rotary sidewall sampler

电动钻进式井壁取心器

The Development of the Light Hydraulic Driven Coring Drill and Tools for Soft Sediment;

轻便型松散（软）地层原状取心全液压钻探机具的研制

Application of Wireline Core Drilling in Coalfield Ultra Deep Boreholes

绳索取心钻进技术在煤田勘探超深孔施工中的应用

Diamond core drilling equipment conventional system

GB/T16950-1997金刚石岩心钻探钻具设备