您要查找的是不是：
- spider heart (木材缺陷) 蛛心裂
- 木材缺陷 defects in timber
- 缺陷 a defect
- 木材 wood
- 木材缺陷检测 wood defect detection
- 鸟眼-木材缺陷 bird's-eye
- “heart” heart
- 有缺陷的 defective
- heart stage (指胎) 心期
- 有缺陷 defectiveness
- heart-shape (方向图) 心形
- 木材加工 wood working
- late heart stage (指胚) 晚心期
- 弥补缺陷 supply a gap
- 这种木材容易劈开。 This wood cleaves easily.
- red heart rot (落地松) 红心腐病
- 免疫缺陷 immunodeficiency
- 他父亲是木材商。 His father is a timber merchant.
- heart shadow (X线片上的) 心脏阴影
- 这些木材被拖到锯木厂。 The timber was snaked to sawmills.
