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.
