spiral grain
常见例句
- Twisting arises in boards through the presence of spiral or interlocking grain.
翹曲多發生在螺鏇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