hit-and-miss ventilator是什么意思，hit-and-miss ventilator的翻译，hit-and-miss ventilator音标、读音、用法和例句_开心英文字典

Warning: file_put_contents(): Only 0 of 7170 bytes written, possibly out of free disk space in /www/wwwroot/ndsq.cn/index.php on line 55
hit-and-miss ventilator是什么意思，hit-and-miss ventilator的翻译，hit-and-miss ventilator音标、读音、用法和例句_开心英文字典_柠咚词