The rotary drill stem will engender direction drift in rotary drilling of directional well and cluster well.

在定向井及丛式井的转盘钻进中，旋转钻柱会产生方位漂移。

youdao

If the ash cloud were to drift in another direction, flights could be sent around or above it.

届时如果火山灰云飘向另一个方向，飞机可能会被指示绕开或在其上方飞行。

youdao

If the ash cloud were to drift in another direction flights could be sent around or above it.

届时如果火山灰云飘向另一个方向，航班将可以在其周围或上方飞行。

youdao

If the ash cloud were to drift in another direction flights could be sent around or above it.

ECONOMIST: Iceland's volcanic eruption

Now, part of the point you're making though is, you know, the headlines start to drift in another direction, right?

WHITEHOUSE: President Obama Holds a Town Hall in New Hampshire

There has been a century-long drift in the direction of the higher and higher percentage of people who don't have everything that they need in order to live and I think that that percentage will grow.

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