Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/b8fea16d8db6734f04bde6c42438c497.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 smoke density meter例句_smoke density meter英汉例句_smoke density meter双解例句_零六五六深蓝词典
This paper presented a new non-contact method to meter CO concentration and smoke optical density simultaneously and online based on photoacoustic technology. 本文提出一种利用光声技术同时在线测量CO浓度和烟雾消光的非接触式方法。