Finally based on the results of rockfall trace calculation combined with the characters of safe net system, the authors presented the conception and method of design of safe net system.是什么意思_Finally based on the results of rockfall trace calculation combined with the characters of safe net system, the authors presented the conception and method of design of safe net system.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句