Once the screw turns a circle, the liquid inside the sealing chamber will be pushed forward by a pitch.

螺杆每转一周，密封腔中的液体向前推进一个螺距。

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This is connected via a sealing valve to the larger, more powerful lower chamber, or ventricle.

通过密封阀与更大的，更强的位于下面的腔室——心室——相连。

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In 1987, a team from the National Geographic Society drilled a hole through one of the limestone blocks sealing the chamber from above, and inserted a video camera.

1987年，国家地理协会的一组工作人员来在地下室封口的一块石灰石上钻孔，安装了一个录像机。

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