TDR (Total-station and Double mini-prism survey Rod) system is a newly developed three-dimensional industrial survey system using total-station and mini-prism as basic tools.是什么意思_TDR (Total-station and Double mini-prism survey Rod) system is a newly developed three-dimensional industrial survey system using total-station and mini-prism as basic tools.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句