This paper introduces a new laser vector method using Laser Doppler Displacement Meter(LDDM)for the measurement of the volumetric errors of the machine.是什么意思_This paper introduces a new laser vector method using Laser Doppler Displacement Meter(LDDM)for the measurement of the volumetric errors of the machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句