Warning: file_put_contents(/www/wwwroot/zidian/oumou.cn/cache/49ba01e3c58aa1674d92197770f61fae.txt): failed to open stream: No space left on device in /www/wwwroot/zidian/oumou.cn/index.php on line 58 rope to pulley ratio是什么意思，rope to pulley ratio的翻译，rope to pulley ratio音标、读音、用法和例句_欧米惠必应词典