蜘蛛丝不断演变的结果似乎是干燥的时候吸附能力最强。
The spider's thread seems to have evolved to work best when it is dry.
这种弹性材料具有很好的抗磨能力，可以用来传送干燥材料。
This elastomer has excellent abrasion resistance and can be used for dry material transfer.
这种弹性材料具有很好的抗磨能力，可以用来传送干燥材料。
This elastomer has excellent abrasion resistance and can be used for dry material transfer.
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