Moisture welts: Wrinkles in a paper roll caused by moisture absorption after drying.

水痕：纸卷在干燥后吸收水份而起皱的情况。

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In this paper, the general drying process and the working principles of heat pump dryer are discussed, and the design of a set of heat pump drying equipment is described.

本课题根据热泵干燥机的工作原理以及对干燥过程的研究，自行设计并组装了一套热泵干燥装置。

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In addition, the effects of the parameters on the grain drying quality and the productivity were also discussed in the paper.

文中还讨论了各个参数对烘干质量、生产率的影响。

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No. 12, "speculative areas beyond housing may suffer in 2007, " has commenced with the evaporation of the asset-backed commercial paper market last summer and the drying up of private equity financing.

FORBES: Sound Advice Worth Repeating