In 1996, the team uncovered antelope, horse, and other mammal bones showing the telltale cut marks of stone tools-at 2.5 million years, one of the earliest signs of tool use.
1996年，研究小组在此出土了带有石制工具切痕迹象的羚羊骨、马骨和其他哺乳动物的骨骼，其年代要回溯至250万年前，这是古人类有使用工具迹象的最早时期。
In many cases of stainless steel cutting operations with carbide tools, a tool life strongly depends on flank notch wear of depth of cut rather than average flank wear of main cutting edge.
硬质合金刀具在不锈钢加工中，其刀具耐用度主要是取决于后刀面边界磨损而不是主切削刃后刀面的平均磨损量。
NC flame cutting: CNC flame cutting is numerical control machine tool use gas with oxygen or gasoline in metal materials with oxygen cut a way to cut.
数控火焰切割：数控火焰切割是数控机床利用燃气配氧气或者汽油配氧气进行金属材料切割的一种切割方式。
If you promise management that a testing tool will cut your testing costs in half, yet you only succeed in saving a fourth, you will have failed!
如果你答应了管理一个测试工具会降低你的测试成本降低一半，但你实际只能节约四分之一，你就失败了！
The use of a mill or similar downhole tool to cut and remove material from equipment or tools located in the wellbore.
利用铣刀或类似的井下工具从位于井筒中的设备或工具上切割材料并将其去除。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size .
为了要把加工的零件切削成所要求的形状与尺寸，金属切削刀具就要从工件上切除切屑。
When you are summoned or distracted while in the middle of performing an action with a power tool remember to always finish the cut to a safe conclusion before dealing with the distraction.
但是如果你在使用电动工具做木工的时候要分心的话，记得至少要将工作做到一个安全的阶段。
A downhole tool used to cut tubing or similar tubulars that have become stuck in the wellbore.
割断已卡在井筒的油管或类似管子所用的井下工具。
A downhole tool that USES acid to cut stuck pipe in a well.
用酸切割井内被卡管子的一种井下工具。
Even though the tool is hard, it should have enough toughness to withstand the impact loads that come in the beginning of cut or to force fluctuations due to imperfections in the work material.
即使刀具很硬，也应当有足够的韧性，以承载切削初始时的冲击载荷，或应对因工件材料瑕疵所引起的波动。
The breaking and milling tool is a special tool used which is used to cut and mill a section of casing in hole so that sidetrack drilling operation can be done smoothly.
断铣工具是用来割断并磨铣井内一段套管以能够进行侧钻作业的专用工具。
The metal cutting tool separates chips from the workpiece in order to cut the part to the desired shape and size.
为了要把加工的零件切削成所要求的形状和尺寸，金属切削刀具就要从工件上切除切屑。
The casing-patch tool is lowered into the well where rubber or lead on the end of the tool is used to seal against the top of the cut casing remaining in the well.
套管补贴工具被下入井中，这时工具端部的橡胶或铅对留在井中的被割断套管的顶部进行密封。
A handy tool to keep in your grooming box is a "Marlinspike". In emergencies, use the blade to cut a rope or halter.
你的马夫箱里一定要有方便的工具“Marlinspike”，在紧急情况下，用小刀切断缰绳和龙头。
Hearing footsteps in the doorway, the thief cut and ran, not even remembering to take his tool bag with him.
听到门廊外的脚步声，那个贼仓惶逃走，甚至忘了拿他的工具袋。
Hence, the problem fulfilling point test and continuous cut test in the same well using the logging tool has been solved.
因此，解决了同一支仪器一次下井完成定点测试和连续剖面测试的难题。
A lathe-like foam cutting machine is developed, which can cut foam material in different shapes by special heating-wire cutting tool.
研制了泡沫塑料车床式切割机，通过电热丝刀具，可切割出形状多样的泡沫材质的塑件。
An experimental study on cutting force, cut - in impact force and cutting - tool wear are conducted in the interrupted cutting of aluminum alloy with PCD tools.
本文就PC D刀具断续切削铝合金时的切削力、切入冲击力和刀具磨损等问题进行了试验研究。
Lost contrast was then cut back in using my airbrush tool.
然后回过头用喷笔工具将对比减弱。
We want to cut out genuine beauties in our eyes and build the ideal fence for our ideal vision by the tool of books. Let's show fine visions broader and clearer!
我们以书籍为工具，“切削”出我们眼中真实的美丽，为我们梦中的理想“视界” 筑起理想的“围墙”，让美好视觉景观展现得更广、更清晰！
Structural character, working principle and main technical specification of WJ-1 new type through annulus logging tool used to measure production water cut has been introduced in this paper.
文中介绍了WJ 1型过环空新型产液剖面测井仪的结构特点、工作原理以及主要技术指标。
It's made of thin Gorilla Glass cut in a spiral shape with a new laser manufacturing tool.
它是由薄的康宁玻璃切割成螺旋形的一种新型激光加工工具。
As CNC machine tool use in many fields, the lots of new process craft were promoted. The new way about cut tool was explained by a solid example in this passage.
数控机床的广泛使用促进了许多新的加工工艺的产生，本文通过实例说明切断刀在使用方面的一些拓展内容。
In oil Wells, water-holdup measured by tool is higher than water-cut due to the surge of oil and water.
在油井中，因油水滑脱的存在，使得持水率大于含水率。
The utility model relates to a lathe tool cutter, in particular to a machine clamped cut-off cutter which can be repeatedly welded with a hard alloy cutter blade.
本实用新型涉及车床工具刀，尤其是一种可重复焊接硬质合金刀片的机夹切断刀。
SN elasticity grinding-wheel is a new grinding tool, which could be used in part grinding and cut process in general machine tool.
SN弹性砂轮是磨具新品种，能够在普通机床上实现对零件的磨削和抛光加工。
SN elasticity grinding-wheel is a new grinding tool, which could be used in part grinding and cut process in general machine tool.
SN弹性砂轮是磨具新品种，能够在普通机床上实现对零件的磨削和抛光加工。
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