It analyses the existed problem during design and construction and puts forward Suggestions to the welded seam inspection and acceptance criteria...

对于国内目前采用的焊缝探伤及验收标准，分析了设计和施工中存在的问题，并提出了一些建议。

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In chapter 1, the existed problem and current research on vibration of hydropower house with large-sized Francis turbine generator unit are introduced.

第一章介绍了大型混流机组厂房的振动问题及研究现状。

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By exchanges between teachers and students in the network, we grip the teaching information on time, found and resolve the existed problem in the teaching process.

通过师生间的网络交流，及时掌握教学信息，发现并解决在教学过程中存在的问题。

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He was investigating a problem that had existed in the Navy for many years.

VOA: special.2009.04.21

The team took a calculated risk to proceed after understanding why the problem existed.

BBC: Skydiver Felix Baumgartner breaks sound barrier

Franco Aloisio, President of the Parada Foundation created in the mid 90s to help children living in the sewers in Bucharest, said the problem still existed in the city particularly in winter when temperatures drop to minus 15C but there had been an improvement.

UNESCO: WORLDWIDE

The public has also reacted to the fact that, knowing this problem existed, the Dodger organization failed to do what was necessary to protect those attending ball games from this serious threat to their safety.

FORBES: Suspect Arrested In Brutal Los Angeles Dodger Stadium Attack