在开发过程中，为保证软件的可靠性，开发人员使用了很多方法进行分析、设计及编码实现。
In order to ensure the reliability of software, the developer make the analysis and design with the help of many way in the process of the design.
密封液的选择为保证隔膜表使用可靠性和安全性，应根据不同用途选择合适的密封液。
Selection of sealing liquid for the purpose to protect the reliability and security of the diaphragm meter in use, applicable sealing liquid for specific use shall be selected appropriately.
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