The paper analyses the leaking reasons for the newly installed valves of the new HP steam drum, and describes the measures to plug the leak under pressure.
分析新高压汽包一批新安装阀门泄漏原因，并详细介绍带压堵漏所采取的措施。
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Last month, HPinstalled Whitman as chief executive after a disastrous 10-month run by former CEO Leo Apotheker.