蒸汽机的核心是汽缸。它一端密封，另一端有个可以移动的活塞。

The core of a steam engine is a cylinder that is sealed at one end and has a moving piston at the other.

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这一功能强大的编码器采用了双重密封的房屋，允许编码器将在监管冲洗高压蒸汽或环境腐蚀性化学品的经营。

This robust encoder features a double sealed housing that allows the encoder to be operated in regulatory washdown and high pressure steam or caustic chemicals environments.

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再者是还需要锅炉往蒸养池输送蒸汽，蒸养池的密封度要好，蒸养池做好后就可以使用了。

Then there is need to raise steam boiler steam, evaporate a pool conveying the pool is better, a steam seal degree to pool after can use.

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