The characteristics of closing check valves with hanged reducing water - hammer, and the effects of fluid transient during power cut are studied in this paper.

本文详细研究了悬挂式缓闭减水锤止回阀在事故停泵期间的特性以及由停泵所引起的流体瞬变效应与阀的减水锤效果。

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When saving and closing the document, you may be prompted to select the Check in mode.

保存并关闭文档后，会提示选择Check in mode。

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Brian: Wow, just made it before closing time. Can I cash this check, please?

布莱恩：噢，刚好赶在休息时间前到，我可以兑换这张支票吗？

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Their service works like this: You start with your closing statement and check off whether you have such items as a high-end stove, kitchen cabinets, ceiling fans.

FORBES: Magazine Article

Most locations will be opening early and closing late, so check your with your local stores for details.

FORBES: How To Make The Most Of Apple's Black Friday Sale

We have stopped keeping guests' luggage, and we do a strict check before closing that there is no unidentified stuff lying around.

BBC: Eyewitness: Mumbai survivors