求翻译：我们选用符合欧洲标准的优质铜材为原料。其密封性和附着性极强，易进行高精密加工及电镀，从而有效避免漏水、沙空等现象出现，确保产品质量符合国际标准。是什么意思？

We use in line with European standards of high quality copper material as raw material. Sealing and adhesion of extremely strong, high-precision machining and electroplating, in order to effectively prevent leakage, Sakhon phenomenon occurs to ensure product quality in line with international standa