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Terms for subject Drilling (25946 entries)

nose	牙轮锥体顶端
nose	鼻状构造
nose bearing bushing	牙轮锥顶轴承衬套
nose button
nose cap	鼻帽
nose of cone	牙轮锥顶
nose radius
nose row	牙轮顶齿圈
not completed	未完成【井】的
not deep enough	深度不够
not drilled	未钻到的
not drilling	未钻进【井】
not on bottom	不在井底
not up to the standard	不合格
not yet drilled	尚未钻探的
notch fatigue failure	伤痕疲劳损坏
notch wheel	棘轮
notice of intention to drill	计划开钻通知
notice of intention to drill	钻井预告
nozzle	水眼