精碼preciseengineeringcontrolnetwork: 精密工程控制網precisebarmillwithrapidrollchange: 帶快速輥裝置的精密棒材軋機preciseengineeringsurvey: 精密工程測量precisealignment: 精密準直preciseephemeris: 精密星歷下載手機詞典可隨時隨地查詞查翻譯