Warning: file_put_contents(): Only 0 of 6540 bytes written, possibly out of free disk space in /home/www/wwwroot/zidian/001308.com/index.php on line 55 high-altitude machine是什么意思，high-altitude machine的翻译，high-altitude machine音标、读音、用法和例句_零食美味英文词典
Design scheme of extracting core machine for new heat exchanger was advanced-high - altitude working vehicle of extracting core. 提出了新型換熱器抽芯機——換熱器抽芯高空作業車的設計方案。