Warning: file_put_contents(/www/wwwroot/ppbbu/laei.cn/cache/15b036dec10656275965ffaa5eddc7d7.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/laei.cn/index.php on line 58 data transmission utilization measure是什么意思，data transmission utilization measure的翻译，data transmission utilization measure音标、读音、用法和例句_按摩法牛津词典