钻进

As for this method, the variation of diamond on the same matrix surfaces in the process of drilling was shot continuously, and the wearing mechanism of diamond bit was observed and analyzed microscopically, from which the two new conclusions had been obtained.

该方法通过连续拍摄钻头钻进过程中同一胎体面上的金刚石变化，从微观上观察分析了金刚石钻头的磨损机理，得出了两个新的结论，可供孕镶金刚石钻头的设计和使用参考。

Medium parabolic profile and heavy cutter density provide good penetration rates in medium to hard formations with medium compressive strength and small abrasive layers.

中等抛物线冠部和加密布齿使其在中等抗压强度的中到硬地层以及薄研磨性夹层中能有良好的钻进速度。

"Do you see that large tree," said the witch, pointing to a tree which stood beside them.

你将会知道，你一钻进树底下去，就会看到一条宽大的走廊。

"Do you see that large tree," said the witch, pointing to a tree which stood beside them.

&取钱呀，&巫婆回答说。你将会知道，你一钻进树底下去，就会看到一条宽大的走廊。那儿很亮，因为那里点着100多盏明灯。

I had been told that you had endeavored to escape; that you had taken the place of another prisoner; that you had slipped into the winding sheet of a dead body; that you had been thrown alive from the top of the Chateau dIf, and that the cry you uttered as you dashed upon the rocks first revealed to your jailers that they were your murderers.

我听说你企图逃跑，听说你冒充另外一个犯人，听说你钻进包尸体布袋里，听说你在伊夫堡的顶上活生生地被人扔下去，听说你撞到岩石上时发出惨叫声，这惨叫声向埋葬者证明了死尸已被代替，他们又变成了害你的人。

According to this construction difficulty, improvement was made on drilling and well completion technology.

针对这一施工难点问题，对钻进及成井工艺进行了改进。

During drilling well, keeping wellbore stability is very important for drilling normally.

在钻井过程中，保持井眼稳定性是保证正常钻进的基础。

It is expected that hot melt drilling method have a good application prospect in drilling engineering, particularly in well cementing without casing.

热熔钻进工艺在无套管固井和工程施工中有很好的应用前景。

Mockingbird flew into the walnut tree, said, not me!!

模仿鸟钻进核桃树，说，不是我！！

Unbalanced state was kept at the bottom of the well by downhole casing shut-off valve in whole process unbalanced drilling operation, the oil reservoir was protected by unbalanced drilling and non-snubbing service.

在全过程欠平衡钻井作业过程中，通过井下套管阀开关，保证井底始终处于欠平衡状态，成功地进行了欠平衡钻进、不压井起下钻等作业，有效地保护了储层。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。