core bit meaning in Chinese
空心钻
取芯钻具
取芯钻头
取心钻头
岩心钻头
钻心
Examples
- 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