薄壁金刚石钻头
thin wall diamond bits
thin faced bit
thin-wall diamond drill bit
diamond drill bit
diamond core drill bit
大口径金刚石钻头
large diameter diamond core bit
低温电镀人造金刚石孕镶钻头
low temperature electroplated synthetic diamond impregnated bit
电镀金刚石钻头
electroplated diamond bits
diamond electroplated drill
electroplated diamond bit
多晶金刚石复合钻头
polycrystalline diamond compound bit
金刚石薄壁钻头
diamond thin wall bit
thin-walled diamond drill bit
金刚石长寿命钻头
long working life diamond drill bit