Warning: file_put_contents(/www/wwwroot/ppbbu/28094.com/cache/eaaf69e1073fb1e72bc734db44715322.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/28094.com/index.php on line 55 binary half adder是什么意思，binary half adder的翻译，binary half adder音标、读音、用法和例句_贰靶汉英词典