We should put them in the cool and ventilate place to make them dry naturally because there is a lot of moisture in the first samples, and they are enough dry when the sediments can freeze together.

• 由于初样中还含有大量水分，将初样置于阴凉通风处让其自然干燥，其最终干燥程度为沉积物尚能固结在一起。