burnt clay 中文意思是什麼
burnt clay
解釋
燒結粘土-
Test methods for the determination of the frost resistance ; burnt - clay roofing tiles, fair faced clay bricks and clinker bricks ; informations
抗凍能力測定的試驗方法.燒制的屋面瓦.圍堰陶土磚和
分享友人