• The national military standard on testing method of protecting performances of laser protective glasses has been laid down.

    制定了与人眼生理卫生防护要求有关激光防护眼镜防护性能测试方法国家军用标准

    youdao

  • The national military standard on testing method of protecting performances of laser protective glasses has been laid down.

    制定了与人眼生理卫生防护要求有关激光防护眼镜防护性能测试方法国家军用标准

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定