Warning: file_put_contents(/www/wwwroot/ppbbu/4cd.cn/cache/21538529b7b82c970677e9acd7fa7b9f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/4cd.cn/index.php on line 55 pulse repetition frequency limitation是什么意思，pulse repetition frequency limitation的翻译，pulse repetition frequency limitation音标、读音、用法和例句_沉淀汉英词典