If you have a big hole that's open for a short time, it's kind of like having a small hole that's open for a longer time.

一个短暂开启的大洞事实上和一个长时间开启的小洞基本无异。

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Many pressure dominated testing valve is through pumping of relieving annulus pressure to realize open or shut down hole test valve and keep annulus pressure for certain all the time.

许多种压控测试阀均是通过环空加泵压打开，泄掉泵压关闭，开井过程中环空始终保持一定的开启压力。

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Hackers gained entry via a hole in the network that had been open for quite some time, even though analysts continually recommended identifying and applying security controls consistently across the entire organization.

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