Often, these manipulations are carried out in closed chambers at carefully maintained pressures and temperatures. They can also involve hazardous materials.

通常这种工作，都在控压和控温完全密闭实验室中进行，或者牵涉到非常危险的物质。

youdao

These chambers were built for researching on the influence of physical and chemical factors in closed-environments on human and animal physiological functions.

本舱群是为研究密闭环境条件对人体、动物生理机能的物理和化学因素的影响而建造。

youdao

Wade, " said Edward Lazarus -- a former law clerk for Blackmun and an author of "Closed Chambers: The Rise, Fall, and Future of the Modern Supreme Court"-- "is that it's necessary for the equality of women, rather than grounding it in the privacy right.

CNN: Four decades after Roe: A legacy of law and morality

They say they did not know and that they have closed Saddam's torture chambers...

BBC: NEWS | Middle East | Iran leader condemns US 'stupidity'

You have not closed Saddam's torture chambers.

BBC: NEWS | Middle East | Iran leader condemns US 'stupidity'