1.
a diamond pencil
(割玻璃用的)钻石刀
2.
Prehistoric man used flint knives.
史前人用打火石刀。
3.
Or a knife set and a sharpener. Sharpening's very important.
或者是那套厨刀和磨刀石。磨刀很重要的。
4.
Selection of shield cutterhead and tool for Chengdu sand-pebble layer
成都砂卵石地层盾构刀盘与刀具选择
5.
grind a knife, lens, etc on a stone, etc
在石头等上磨刀、 镜片等.
6.
He grinds the ax on the grindstone.
他在磨刀石上磨斧头。
7.
To sharpen on a fine-grained whetstone.
珩磨在细磨刀石上磨快
8.
He knew better than to attempt to hew rocks with razor.
他知道刀片不能劈石头。
9.
As Chiang Kai-shek is now sharpening his swords, we must sharpen ours too.
现在蒋介石已经在磨刀了，因此，我们也要磨刀。
10.
Study of Cutter Layout Design of Full-face Rock Tunnel Boring Machine
全断面岩石隧道掘进机刀盘刀具布置方法研究
11.
A fine - grained whetstone for giving a keen edge to a cutting tool.
细磨刀石纹理细密的磨刀，可使切削工具刀刃锋利
12.
hone ,for used in the hand, of natural stone, agglomerated abrasives or ceramics
手用刀石,天然石料、凝集研磨料或陶瓷制
13.
A fine - grained whetstone lubricated with oil, used for fine sharpening.
油石用油润滑过的细砂磨刀石，用于细磨
14.
Sharpening Stones and Weightstones now last 1 hour.
磨刀石和平衡石的效果现在持续一小时。
15.
carbide square threading insert for petroleum pipe
石油管硬质合金方形螺纹刀片
16.
India oil stone
(修表工磨雕刻刀用) 印度油石
17.
diamond and carbide tool boring machine
金刚石和硬质合金刀镗床
18.
An early flint tool with a head like a chisel.
錾刀一种尖端象凿子的古代燧石工具