spiral grain
常見例句
- Twisting arises in boards through the presence of spiral or interlocking grain.
翹曲多發(fā)生在螺旋或交錯紋理的板材中。 - Wavy, ribbon and curly grain are byproducts of spiral grain that reverses itself periodically as a tree grows to produce a thing called interlocked grain.
NPR: Excerpt: 'A Splintered History Of Wood' 返回 spiral grain