查询词典 drill bit

Small holes could be bored with bradawls, but larger ones required drilling with a bow drill, the bow rotating the metal bit through the wood.

小孔可能会厌倦了bradawls，但需要较大的钻头钻井一弓，弓旋转穿过树林的金属位。

A drill consisting of a bit and a brace to hold and turn it.

有钻头和可以握住和旋转的手柄的钻机。

First, drill out the center of each intake, then take a dremel with a router bit and clean them up to match the shape of the hole.

首先，演习的中心每个摄入，然后采取dremel路由器位和清理，以符合他们的形状的洞。

Carbide alloy electric hammer drill, router bit, chisel, diamond wheel, brad-nailer, electric hammer, demolition hammer, hole saw.

1F72 硬质合金电锤钻头，木工铣刀，钢凿，金刚石锯片，汽钉枪，电锤，电镐，开孔器等。

Bits without moving parts, can withstand the high penetration rate, with the downhole drill motor can be used in conjunction with higher economic efficiency, is the cone bit strong competitors.

钻头无活动部件，能承受高钻速，与井下动力钻具配合使用能获得较高的经济效益，是牙轮钻头的强有力的竞争者。

Applying finite element method,the dynamic characteristics of drill string with cone bit in straight hole were simulated,and the whirl,deformation and the dynamic stress in air drilling were compared with the ones in drilling fluid drilling .

应用有限元方法，仿真了空气钻井时斜直井眼中带牙轮钻头钻柱的动力学特性，比较了空气钻井和钻井液钻井条件下钻柱的涡动、变形以及动态应力状况，探讨了空气钻井钻柱失效的动力学机理。

Diamond file, Diamond mounted point, Diamond burr, Diamond grinding wheel, Diamond paste, Diamond coated blade, Diamond grinder bit, Diamond hone, Diamond core drill, Carbide burr.

8G30 8G32 金刚石锉刀、磨针、磨头，金刚石砂轮、研磨膏、锯片，玻璃打磨工具，金刚石油石，打孔钻，硬质合金旋转锉。

Diamond core bit,Core barrel,Drill rod

金刚石钻头，钻具，钻杆

My drill is a bit dull, but it can still be used to write messages.

我的钻头很钝，但仍可用来写留言。

My drill is a bit dull, 8ttt8.com it can still be used to write messages.

我的钻头很钝，但仍可用8ttt8来写留言。

Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严，以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆，把帆卷起，系住。