Shang Hai ships equipment research laboratory, former the national ships passenger compartment assist machine standard technique committee secretary-general Wu RenRong Professor level senior engineer是什么意思_Shang Hai ships equipment research laboratory, former the national ships passenger compartment assist machine standard technique committee secretary-general Wu RenRong Professor level senior engineer在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句