Bên phát sáng sợi quang, ống ánh sáng sợi quang, tất cả đều giống nhau. Nó có thể để ánh sáng vượt qua througth, và đó là ánh sáng tuyến tính.
2023/02/14
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Privacy statement: Your privacy is very important to Us. Our company promises not to disclose your personal information to any external company with out your explicit permission.
