井身剖面设计是成功地钻水平井的重要因素之一。

Designing the well profile is one of the most important factors which is concerned with the successfully drilling of horizontal Wells.

youdao

实际上它相当薄，宽度可能在20厘米左右，一直不停地钻。

It's quite thin actually, probably about 20 centimetres wide. And it just keeps on going and going and going.

youdao

这个人决定帮助它，他用剪刀把茧的剩余部分剪开，蝴蝶宝贝很轻松地钻了出来。

So the man decided to help it. He took a pair of scissors and snipped off the remaining bit of the cocoon.

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