... diamond core bit金刚石取心钻头 diamond core drilling金刚石取心钻井 diamond coring金刚石取心钻井 ...
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Wireline diamond core drilling equipment 导线钻石取芯钻进设备
Rotary core diamond drilling equipment 取芯钻石钻进设备 ; 旋转金刚石心钻孔设备
Diamond coring bits are utilized for core drilling.
在取芯钻井井段，选用金刚石取芯钻头。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
Diamond core bit is preferred for coring operation in terms of the special requirements of scientific drilling.
根据科学钻探对岩心的特殊要求，认为金刚石取心钻头是科学深钻取心钻进较理想的选择。
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