This machinery insurance-type role to ensure that the delayed action only in the lock chamber when the pressure dropped to a certain value.

这种机械保险式的延迟作用能确保开锁动作只有在膛压下降到一定数值时才发生。

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The calculation methods of lock chamber wall are mostly approximate with many assumptions, which still need proving both by theory and experiments.

对于岩基上船闸闸室墙的计算方法大多均是作了许多假定不完善的近似方法，其假定是否成立仍需在理论、实验上进一步探讨。

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The second part is about the aseismic analysis of lock chamber of Pubugou hydroelectric power station. The study results offer the rule of designing of lock chamber structure.

下篇针对瀑布沟泄洪洞进口闸室的抗震分析，为闸室结构的动力校核和结构配筋提供了依据，研究成果为设计所采纳。

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Iowa State University economist Philip Baumel says the river, could get by with small fixes like extending lock chamber walls or replacing the first-come-first- serve system with a reservation system to relieve congestion.

FORBES: A river of subsidies

We have analyzed the apparent fix that Kaba has implemented in their combination chamber (the brains of the lock) to stop it from being opened by a strong magnet.

FORBES: The Kaba Simplex lock is only for "access control": Is that what FDNY Engine Company 65 thought?

The air lock installation is the primary objective of the Atlantis mission, with the two-room chamber allowing space station crews to venture from the station in NASA spacesuits without the assistance of visiting shuttles.

CNN: Air lock installed on space station