EC)Adequate relief valve reaction forces shall be considered in the nozzle design per Code Case 1876 when the valve is blowing steam.是什么意思_EC)Adequate relief valve reaction forces shall be considered in the nozzle design per Code Case 1876 when the valve is blowing steam.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句