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

压力计一个形状像 字母 U 充满液。

Which is where manometers and barometers come in.

压力计的用武之地。 气压计气压计。

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

刺入腰椎管的针压力计相连，来测量脑脊液压力。

Then, we covered how manometers and barometers measure pressure.

然后我们讲了压力计的作用机理 气压计压力表。

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.

可噪音比初看起来还要强，因为在距火山161公里处的一个压力计测量到的声音180分贝。