Drying cells dry wood to 14% of humidity so as it wouldn't crack or break.
为了防止木材崩裂或断裂，干燥室将木材的湿度控制在14%。
2
The polypropylene fiber can effectively control the length, width and number of the drying shrinkage crack of early-age concrete.
聚丙烯纤维可有效控制混凝土早期干缩裂缝的长度、宽度和数量。
3
The paper discusses the cause of and the solution to deformation and crack of micro - wave drying ceramic products, and compares micro - wave drying with traditional drying.