Warning: file_put_contents(): Only 0 of 5137 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/80125.cn/index.php on line 58 critical friction velocity是什么意思，critical friction velocity的翻译，critical friction velocity音标、读音、用法和例句_食材铺反向词典
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity. 试验发现，摩擦系数随滑动速度的增加而增加，存在临界滑动速度。