Warning: file_put_contents(/home/www/wwwroot/zidian/69228.com/cache/b405d7e5c63fb55606e7c6945498c2fd.txt): failed to open stream: No space left on device in /home/www/wwwroot/zidian/69228.com/index.php on line 55 97人妻碰碰碰久久久久,中文字幕无线码中文字幕网站,国产精品免费视频观看拍拍
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，廻彈性好，硬度範圍寬，有良好的抗內生熱性，耐水性。耐油性、耐磨性和抗溶脹性。