Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/639aefe6533ab01913928ad336daa9e1.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 differential gear英英字典_differential gear剑桥英语解释_differential gear柯林斯英文解释_按摩法牛津词典
1. N the epicyclic gear mounted in the driving axle of a road vehicle that permits one driving wheel to rotate faster than the other, as when cornering 差速器行星齒輪