短语词组短语Blue violet laser 蓝紫光笔blue -laser 蓝光blue dye laser 蓝色染料激光器blue green laser 蓝绿激光C -Laser Subsea Blue Spot Laser 海底激光扫描测量仪deep -blue laser 深蓝激光Blue laser dye 蓝光染料nm blue laser nm 波长连续蓝色激光green and blue laser 激光通信 返回 blue laser