Warning: file_put_contents(/www/wwwroot/ppbbbu/n94.cn/cache/b8a5559b2c734d7e2b3283458cbfebf5.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/n94.cn/index.php on line 55 break-to-make ratio of dial pulses是什么意思，break-to-make ratio of dial pulses的翻译，break-to-make ratio of dial pulses音标、读音、用法和例句_94生活常识网有道词典