Warning: file_put_contents(): Only 0 of 5176 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/52065.com/index.php on line 55 mechanical ventilation drying例句_mechanical ventilation drying英汉例句_mechanical ventilation drying双解例句_伍贰汉英词典
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。