Warning: file_put_contents(): Only 0 of 4954 bytes written, possibly out of free disk space in /www/wwwroot/ppbbu/5256789.com/index.php on line 55 falling rate drying period例句_falling rate drying period英汉例句_falling rate drying period双解例句_绿查网谷歌词典
A mathematical model based on the regularity of the porous materials' momentum, heat and mass transfer in the falling rate period of drying is established. 为强化多孔物料的传热传质过程，热载体设计成脉冲周期运行方式。