Warning: file_put_contents(/www/wwwroot/ppbbbu/6s-iso.com/cache/71c611e8430d5a6249bd2906dee7e44e.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/6s-iso.com/index.php on line 55 亚洲欧美国产日韩精品在线,午夜dj免费视频观看在线
High mechanical strength, high elasticres ilience, wide hardhess seale good in ternai resistance, good water and oil resistance, brasion resistance. 機械強度高,回彈性好,硬度范圍寬,有良好的抗內生熱性,耐水性。耐油性、耐磨性和抗溶脹性。