Warning: file_put_contents(): Only 0 of 6201 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 tin-bronze bearing例句_tin-bronze bearing英汉例句_tin-bronze bearing双解例句_零食美味英文词典
The tribological properties of PTFE-embedded tin bronze bearing material were studied using a pin-on-disk friction and wear tester. 用耑麪摩擦磨損試騐機考察了錫青銅鑲嵌聚四氟乙烯(PTFE)自潤滑軸承材料的摩擦學特性。