Warning: file_put_contents(/www/wwwroot/ppbbu/52065.com/cache/68dd87cc366ab2161704a63f3f07c0d8.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/52065.com/index.php on line 55 critical friction velocity例句_critical friction velocity英汉例句_critical friction velocity双解例句_伍贰汉英词典
It is found that the friction coefficient increases with the increase of sliding velocity, and there is critical velocity. 試騐發現，摩擦系數隨滑動速度的增加而增加，存在臨界滑動速度。