Refer to flow direction arrow on valve nameplate or body.

参照阀门铭牌或阀体上的流向箭头。

youdao

youdao

Here is what it looks like, showing direction of the scrolling marquee (red arrow).

下面是其显示效果，其中显示滚动字幕的方向(红色箭头)。

youdao

Some people like to use an arrow, and the arrow points in the direction of the more electronegative end.

也可以用箭头，箭头指向,带负电的一极。

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That's what this arrow at the right shows, the direction of the flow of information.

这就是右边这个箭头的含义,即信息流动的方向

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p2 p1 is greater than p2. Then I want to reverse direction of time. I want the arrow of time to go so that the gas goes from p2 to p1.

一直推，一直推，p1大于,接下来我想让时间倒流,让气体从p2到p1。p2比p1小。

麻省理工公开课 - 热力学与动力学课程节选

The arrow points in one direction.

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Along the trail, was a marker, an arrow pointing to the right direction (attributed to Brigham Young), to help keep the wagon trains on the right path.

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If a change of direction is needed, the walking stick vibrates, and an arrow appears.

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