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- Diamond drilling bits and diamond core bits
金刚石钻头及金刚石取心钻头 - Polycrystalline diamond compact non - core bit
金刚石复合片不取心钻头 - Polycrystalline diamond compact core bit
金刚石复合片取心钻头 - Factors affecting performance of sandwich - structured diamond core bits
影响夹层式钻头性能因素的研究 - Diamond core bit for coal drilling
煤田钻探金刚石取心钻头 - What type of core bit is it
这是什么型号的取芯钻头 - Pdc drillbits non - core bits
复合片pdc无芯钻头 - Researches and applications of compound diamond core bit with sintered body
混合型金刚石烧结体取心钻头的研制及应用 - Pdc drillbits core bits
复合片pdc无芯钻头 - Run in a diamond core bit
下金刚石取芯钻头
- a hollow drilling bit that is the cutting part of a core drill; allows core samples to be taken
Last modified time:Sat, 16 Aug 2025 00:29:56 GMT