M5 alloy was a new zirconium alloy used in high burn up assembly such as fuel cladding,end plug,guide tube and grid spring and so on.是什么意思_M5 alloy was a new zirconium alloy used in high burn up assembly such as fuel cladding,end plug,guide tube and grid spring and so on.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句