The main purpose of automatic dam safety observation is to ensure dam safety, while the rational automatic observation design is the premise of normal operation of the dam safety observation system.是什么意思_The main purpose of automatic dam safety observation is to ensure dam safety, while the rational automatic observation design is the premise of normal operation of the dam safety observation system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句