The underflow energy dissipation is a commonly used type for sluice gate,and the apron is an important component of energy dissipation structure.是什么意思_The underflow energy dissipation is a commonly used type for sluice gate,and the apron is an important component of energy dissipation structure.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句