复卷线速度无级调控，卷纸膨松度可控制。
Stepless regulates and controls linear velocity of rewinding to materialize regulation fluffy of roll paper.
地块的土壤容重减少，提高土壤膨松度，增强土壤透气性。
The soil bulk reduced, the soil porosity and permeability improved.
目前计算翻领松度主要依据实践经验进行设计，一些常见计算翻领松度的方法也存在一定不足。
At present, lapel ease allowance is designed mainly on the basis of experience. There exist shortcomings in one way or another in the commonly used methods for calculating lapel ease allowance.
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