As shown in Figure 2, as the drying continues, the moisture inside the test piece continues to migrate to the outside, showing that the mass of the test piece itself is reduced.
As shown in Figure 2, as the drying continues, the moisture inside the test piece is constantly migrating to the outside world, showing that the quality of the test piece itself decreases.
As shown in Fig. 2, with the continuous drying, the moisture inside the specimen continuously migrates to the outside, which shows that the mass of the specimen itself decreases.<br>