underground drilling是什么意思

网络释义

用法例句

To follow this trend and solve the existing problem, drill-down cube is proposed in this.

为此提出了下钻立方结构,首次从语义角度考虑数据立方存储,存储的不是类的内容,而是类之间的直接下钻关系。

A mole burrows its way through the ground.

鼹鼠会在地下钻洞前进。

A machine in the tower gradually cuts a narrow hole down into the ground.

井架内的钻机渐渐地往地下钻出一个小洞来。

The workers drilled down 600 meters to find oil

工人们往地下钻了600米找石油。

Sometimes he sends his drill more than a mile into the earth.

有时他得把钻头钻入地下一英里深。

My lovely cat can get under my door easily.

我那只可爱的小猫很轻松地在门下钻来钻去。

As the bit drills down, pipe is added length after length .

随着钻头往下钻，管子一段一段地加接上去。

and we have to lower into the ground and haul out of the ground,

我们必须把很长的钻杆一节节地，钻入地下，然后再从地下拉出来。

As it fell, the bit was driven deeper and deeper into the ground.

落下来时，钻头就越来越深地打入地面。

They can go deep underground to survive periods of little or no rain.

它们可以钻入地下来躲避干燥的时节。

asked Ahyuan breathing heavily and burrowing her head under my arm.

阿圆把头钻在我的腋下，喘息地低声问。

Completed pile working method of bore hole filling pile in the rock area with under-earth mined out layer

有地下采空层的岩石地区钻孔灌注桩成桩工法

The king of the oilfield is the driller. He is a very skilled man. Sometimes he sends is drill more than a mile into the earth.

油田的主角是钻井工。他们是熟练技术工人。有时他得把钻头钻入地下一英里深。

easing the bit in

钻头轻压慢转钻进地层

Most diamonds are mined from rock formations inside the earth.

〔大多数钻石都是从地下的岩层里开采出来的。

said the Pigeon in a sulky tone, as it settled down again into its nest.

鸽子生气地说着，同时又飞下去钻进它的窝里了。

Now the boy stole out, rose gradually by the bedside,

于是汤姆便从床底下钻出来，慢慢地站起，

Our soldiers quietly went under the enemy's wire netting

我们的战士悄悄地从敌人的铁丝网下钻了过去。

Denise： Well I felt so embarrassed I wished the ground had swallowed me up.

德妮丝：我很尴尬，恨不得有条地缝钻下去。