laser engraving短语⁹⁰⁸⁸⁷⁺⁷ 基本例句 激光雕刻 LASER-Light Amplification by stimulate Emission of radiation, was led into industrial field by “Wah Shun Laser Engraving Company” from high technology and military affairs on the earliest. “华信激光”将最先应用于军事、高精科技的“激光”应用于工业领域。 wslaserhk