无岩心钻头的英文

• blast hole bit

• 无    not have; there is not; be w ...
• 岩心    core
• 钻头    boring crown; bore bit; dril ...
• 全断面无岩心钻头    full-hole bit; full-hole rock bit
• 无岩心钻进    full hole drilling; non-coring drilling
• 取岩心钻头    coring bit
• 岩心钻头    core bit; core drill bit; corebit; coring bit; coring crown; hollow bit; jack bit
• 标准岩心钻头    standard core bit
• 牙轮岩心钻头    roller-cone core bit
• 重力岩心钻头    free-fall core cutter
• 金刚石岩心钻头    coring bit with diamonds; diamond-mpregnated core drill bit
• 可更换的岩心钻头    retractable core bit
• 双岩心钻外管钻头    outer cutting bit
• 取芯钻具 取芯钻头 岩心钻头 钻心    corebit
• 无岩心回次    blank run
• 带岩心抓的取心钻头    trigger bit
• 带岩心爪的取心钻头    trigger bit
• 阶梯式金刚石岩心钻头    step core bit
• 全径金刚石岩心钻头    full-radius crown
• 软岩用三翼岩心钻头    soft-formation cutter head
• 岩心钻    coredrill; rock core drill
• 心钻头    core bit
• 冲击岩心钻    percussion rock drill
• 岩心钻采    core drilling
• 岩心钻机    core drill machine; core drilling machine; coring machine; rock-core borer