Warning: file_put_contents(): Only 0 of 5537 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/73904.com/index.php on line 55 mechanical ventilation drying是什么意思，mechanical ventilation drying的翻译，mechanical ventilation drying音标、读音、用法和例句_骑士汉英词典
Grain bulk resistance is a key parameter in the technological design of grain drying and mechanical ventilation for stored grains. 粮层阻力是粮食干燥、储粮机械通风等工艺设计中的关键参数。