单词 | traction |
释义 | traction [`trak·shǝn] GEOLOGY Transport of sedimentary particles along and parallel to a bottom surface of a stream channel by rolling, sliding, dragging, pushing, or saltation. GRAPHIC ARTS A defect in a paint coating in which the film cracks and wide fissures reveal the underlying surface. MECHANICS Pulling friction of a moving body on the surface on which it moves. |
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