To solve this problem, the nonlinear finite element calculation in parallel with model tests are used to study the expansion water seal, and a modified program is identified accordingly.

为解决此工程难题，应用有限元对伸缩式水封进行非线性模拟计算，同时进行模型试验，研究确定了闸门采用伸缩式水封的改造方案。

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Credible design of shaft seal, which can bear high pressure and be used in parallel or in series.

可靠的轴密封设计，能承受高背压，可以串并联使用可以串并联使用。

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Another parallel is that people often ask me how they could either be a SEAL or start their own businesses, sometimes looking for advice, sometimes encouragement.

FORBES: You don't need a better mousetrap, or three steps to start a successful business