[color=rgba(0, 0, 0, 0.9)]干燥收缩 [color=rgba(0, 0, 0, 0.9)]置于未饱和空气中的污泥砖因水分散失而引起的体积缩小变形,称干燥收缩。解释干燥收缩机理主要有毛细管张力学说和表面吸附学说。毛细管张力学说认为 ...
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