... diamond point bit 尖头钻头 ; 钻石尖钻头 diamond drilling bit 金刚石钻头 diamond shear bit 金刚石剪切钻头 ...
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thin wall diamond drilling bit 金刚石薄壁钻
diamond bit drilling 金刚石钻头
thin wall diamond bit drilling 薄壁金刚石钻进
diamond full-scale drilling bit 金刚石全面钻井钻头
Problems and countermeasures of wireline coring drilling in "walk" formation in a uranium mine in Guangxi are introduced with type selection test for diamond drilling bit.
通过绳索取心钻进金刚石钻头选型试验，介绍了广西资源县向阳坪铀矿区“打滑”地层中绳索取心钻进存在的问题及采取的技术措施。
It is proposed that economical performance of diamond bits be quantitatively appraised by use of bit drilling cost.
并提出用钻头钻进成本定量地评价金刚石钻头的经济效果。
According to the character of drilling in exploration engineering, we have manufactured a new pattern diamond bit.
根据勘探工程钻进的特点，研制开发了一种新型的金刚石钻头。
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