Warning: file_put_contents(): Only 0 of 4863 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5678977.com/index.php on line 55 blowdown pipe例句_blowdown pipe英汉例句_blowdown pipe双解例句_加林查网西语词典
Centred on thermal radiation, noise and diffusion, the basic design principle and method of gas blowdown sound pipe are described in derail. 圍繞熱輻射、噪聲和擴散詳述了天然氣放空立琯的基本設計原則和方法。