To the shin layer drying research, set a relative humidity to simulate the drying environment, and take drying velocity, air temperature as the factors, and take the rewetting rapeseeds as testing object.

• 对油菜籽薄层干燥试验，设定某一相对湿度模拟干燥环境，并选择热风干燥速度、热风温度为试验因素，以加湿油菜籽为研究对象；