To introduce the structure, performance and design of the differential stop check valve.

介绍了差压式截止止回阀的结构、性能和设计要点。

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When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header.

如果连接主蒸汽热水器的锅炉不止一个，则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。

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To introduce the structure, performance and design of the differential stop check valve. It has the features of novel design, small moment in operation and seal reliability.

介绍了差压式截止止回阀的结构、性能和设计要点。该阀操作力矩小，密封可靠，运行平稳。

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I need that sanity check saying at some point, you have to stop.

在一些地方需要做那样的合法性检查，告诉你必须停止操作。

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Or when you make a stop, check out Geocaching, a GPS-based treasure-hunt game.

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Each stop to check out the features around the peak could involve "a few weeks of activity" at a time, he said.

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She added that the check would stop thousands of six-year-olds "slipping through the net" and lead to their getting the help they needed.

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