世界最轻便的浅层取样岩心钻机 ！
最后提出按浅、中、深不同孔深分挡考虑岩心钻机型式的意见。
It is suggested that the version of core drill be considered in shallow, medium deep and deep catalogues.
介绍了CD -3型岩心钻机研制情况、技术参数、主要特点及型式检验、生产试验和鉴定情况。
Introduction is made on the development, technical parameters, main features, version verification test, production trial and appraisal of CD - 3 core drill.
介绍的主要设备有全液压岩心钻机系列、轻便设备系列、地源热泵钻机、浅海及滩涂取样钻机、全套管钻机等。
The description covers full-hydraulic core drilling machines, portable drills, geo-thermal drills, offshore and beach sampling equipment, all-casing drilling rig, etc.
根据TK - 3型液压立轴式岩心钻机结构分析产生液压卡盘失灵、主动钻杆卡死等故障的原因，提出了两套改造方案。
Analyzed causation of TK-3 hydraulic vertical shaft coring drilling rig easy to bring hydraulic chuck failure, get stuck with actuating rod etc, put forward two alteration schemes.
分析岩心钻探生产过程中各个规程参数的作用及重要性，结合现有钻机的特点，选用了适当传感器来测量这些规程参数。
Order parameters of core drilling in each production process are analysised to choose appropriate sensors to measure the order parameters, which combines the characteristics of existing drilling RIGS.
分析岩心钻探生产过程中各个规程参数的作用及重要性，结合现有钻机的特点，选用了适当传感器来测量这些规程参数。
Order parameters of core drilling in each production process are analysised to choose appropriate sensors to measure the order parameters, which combines the characteristics of existing drilling RIGS.
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