题目内容

下列利用扒沟法降低储存粮油温度的操作,错误的是()。

A. 粮堆表层发热霉变时,只要粮食水分不是特别大,而且外界温。湿度小于粮堆内温、湿度,就可采取粮堆表面局部的扒沟自然通风降水降温。
B. 采用扒沟自然通风降温、降水时,扒沟的方向与风向相同门窗关闭。
C. 当扒沟法降低储存粮油温度时机成熟时,保管员用刮板在粮面上扒沟,并经常翻动。
D. 利用扒沟法降低储存粮油温度时,需要定时测定粮食温度和水分。

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