New compression support for XML data and indexes reduces disk space requirements and can improve runtime performance of I/O-bound operations.

新的 XML 数据和索引压缩支持可以减少所需的磁盘空间，可以提高受 I/O 限制的操作的运行时性能。

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The results indicate that increasing the compression of O-ring can improve the sealing performance, simultaneously, can make it prone to crack ;

结果表明：增加压缩量可以提高O形圈的密封性，同时也使其容易出现裂纹；

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Valve should be tighten with o ring rubber with Max. 25% compression.

阀门的密封需通过“O”型密封圈实现，密封圈最大压缩量不允许超过25%。

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