O vácuo é separado por um suporte elevado de 0,2 mm-0.4mm, e as bordas das duas camadas de placas de vidro são seladas com vidro de baixa temperatura, e depois o ar é descarregado.
2022/02/14
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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.
