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When drill hole in sandy soil the desander should be timely turned on to reduce the sand content and ensure the drilling progressing and stability of the hole.

在砂土层中钻进时,要及时开启,降低含砂率,保证钻进速度和孔壁的稳定。

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agromania, agromelioration, agrometeorological, agrometeorology, agromicrobiology, agromicroclimate, agronome, agronomic, agronomics, agronomist,

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历年六级听力真题精听

The proof, which was published last week in Science, comes from a team of scientists from Uppsala University in Sweden and Californian Institute of Technology who drilled deep holes near the edge of the ice sheet.

上周,来自瑞典乌普萨拉大学和加州理工学院的组科学家,在冰盖的边缘深孔之后,将他们此行的最新发现著书出版。

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6 Minute English 六分钟英语

Of course, there are sounds that we like to hear, and then there are those sounds that really grate – annoy or irritate… … like the beeping sound on a reversing lorry or someone drilling a hole in the road.

,有声音是我们喜欢听到的,而有声音真的很让人恼火——烦人或令人恼怒… … 比如卡车倒车时的哔哔声,或者人们在道路上钻洞的声音。

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科普小杂文

Because this couple rents, we tried not to drill any holes.

由于房子是租的,我们尽量不在墙上钻孔

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VOA常速英语_健康

" When you take that purified enzyme and add it back to a bacteria, for example, in an infection, it will drill a hole in the cell wall, the membrane externalizes like would normally do explode and kill the organism instantly" .

当你把纯化后的酶重新添加到细菌中,比如在感染中,它会在细胞壁上个洞,细胞膜外化,就像爆炸样立刻杀死生物体。

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新概念英语.美音版.第二册(译文)

Rescue workers are therefore drilling a hole on the north side of the mine.

因此,营救人员在矿井的北侧个洞

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新概念英语.词汇随身听.第二册

The workers were drilling holes on a road.

工人们在道路上钻孔

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EnglishPod 91-180

Now help me drill some holes in it so we can place the bolts.

现在帮我吧,这样我们就可以把螺栓放进去了。

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CNN 10 学生英语 2018年4月合集

So, workers drilled holes along a three-mile section of the river and planted explosives in them to break the ice.

所以,工人们在河的钻孔,并在其中安置炸药以打破冰层。

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起源的故事

People resorted to drilling holes in peoples heads, bloodletting and leeching, arsenic, incantations, and a host of balms and salves that could work… but could also ultimately kill a person faster than the pathogens would.

人们求助于在人的头部钻洞、放血和吸血、砒霜、咒语,以及系列可能有效的药膏… … 但最终这也可能比病原体更快地杀死个人。

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赖世雄进阶英语词汇3500

Could you drill a hole in the wall for me?

你能不能帮我在墙上钻个洞

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连线杂志

So where you'd put your tube in an infant wouldn't work in a bear because it would disappear into the sinus on top of their head, and so we actually had to drill a little hole much further back.

所以你婴儿身上的插管位置跟熊身上的不同,因为它会消失在他们头顶的鼻窦,所以我们不得不在更远的地方个小洞

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世界新知聚焦:科技

Per Musk's description, this chip will be installed in a person's brain by drilling a two-millimeter hole in the skull. " The interface to the chip is wireless, so you have no wires poking out of your head, " he assured.

按照马斯克的描述,该芯片会通过在头骨上钻个直径2毫米的孔的方式安装在人的大脑中。 他保证道," 芯片的接口是无线的,所以你头上不会有电线挂出来。"

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火星救援 原声版

And so far they've come up withm, " Hey, why don't you drill holes on the roof of your rover and hit it as hard as you can with a rock? "

现在他们想到个主意,你可以在探测车车顶上钻孔拿块石头用力砸。

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VOA Special 2020年4月合集

" If you would go to a forest near you and drill a hole, it would probably look pretty similar, " Klages told the Reuters news agency.

" 如果你到附近的森林个洞,它可能看起来非常相似。"

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CNN 听力 2014年10月合集

His team drilled down to lower a camera. But before they could, Han says the recorder picked up two underground explosions. Their drill holes were then blocked.

他的队伍向地面下进行勘测并投下摄像机。但是在此之前韩表示录音曾表明地下有过3次爆炸。而后他们的挖掘洞口再次被封闭。

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科学60秒-科学美国人 2021年2月合集

They opened up this mollusk's secrets by drilling a small hole in its shell with a laser and analyzing the pattern of the growth.

他们用激光在贝壳上个小洞并分析其生长模式,从而揭开了这种软体动物的秘密。

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PBS英语讯息

Today, a Coast Guard helicopter landed on the ship's side, and rescuers rappelled down and drilled a hole into the hull.

今天海岸警卫队直升机在货船的侧登陆,救援人员索降,并在船体个洞

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VOA Special 2023年9月合集

She found the cause after drilling a small hole in the woman's skull and looking at her brain.

她在这名女子的头骨上个小洞,并查看了她的大脑,后找到了病因。

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实习医生格蕾 第2季

Look, I am about to drill a hole into your son's skull. You don't want to watch this.

看,我们准备在你儿子头盖骨钻个孔。你不会想见到这种事情的。

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科学60秒-科学美国人 2021年4月合集

They used ultrasound to drill temporary holes in the cell membranes-which let some trehalose get in.

他们用超声波在细胞膜上钻出临时小孔,让海藻糖进入。

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