spiral grain

常见例句

雙語例句

• 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。

權威例句

• 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'
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