Warning: file_put_contents(/www/wwwroot/ppbbu/bieo.cn/cache/2926d86e6117e40fccf91ffb8b927c5f.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbu/bieo.cn/index.php on line 58 smoke density meter例句_smoke density meter英汉例句_smoke density meter双解例句_衣物護欧路词典
This paper presented a new non-contact method to meter CO concentration and smoke optical density simultaneously and online based on photoacoustic technology. 本文提出一種利用光聲技術同時在線測量CO濃度和菸霧消光的非接觸式方法。