Can tidy up the wheat,paddy,rice,oil plants mesne big,small,light mixed and lampblack end.

能有效清理小麦、、玉米、油料中的大、小、轻杂及灰尘等。

He planted the grains of rice in the soft, wet soil.

他把种子种到松软潮湿的泥土里。

The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.

研，的擦带电含水率、擦速度、的介电常数以及擦材料等因素有关。