Which is where manometers and barometers come in.

这就力的用。 气大气。

A manometer is just a U-shaped tube with a fluid inside.

力一个形状像 字母 U 满液体。

Then, we covered how manometers and barometers measure pressure.

然后我们讲了力的作用机理 气力表。

Once the needle is inserted into the spinal canal, it's attached to a manometer, which is a device that measures the CSF pressure.

刺入腰椎管的针与流体力相连，来测量脑脊液力。

The noise was even louder though than this may seem at first, because a pressure gauge located 161 kilometers away measured a sound of 180 decibels.

可这噪音比初看起来还要强，因为在距火山161公里处的一个力测量到的声音180分贝。