high purity optics material
The ENERGY brand beam expander has been applied in most Laser Industry Companies. The fix multiple and adjustable multiple laser expander is based on the Galilei Theory, which ensures the exact optics processing techniques, high purity optics material, fast rate and low distortion.
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high purity optics material
高纯光学材料
以上为机器翻译结果，长、整句建议使用 人工翻译 。