The basic concept of modular design was introduced in this paper.The modular construction of pressurizer pilot operated safety valve was analyzed and divided into several independed modules.是什么意思_The basic concept of modular design was introduced in this paper.The modular construction of pressurizer pilot operated safety valve was analyzed and divided into several independed modules.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句