油松茎端的皮层薄壁组织和幼茎木薄壁组织中具含树脂细胞分布。
Some resin containing cells are present in parenchym of cortex in shoot apex and xylem parenchym of stem in Pinus tabulaeformis .
液体就会在高温下变成一种树脂，可以使得木材的细胞壁变厚。
The heat transforms the liquid into a resin, which makes the cell walls of the wood thicker and stronger.
当多数树脂道普遍破损时，与接种点距离远近不同的部位细胞病变已无明显差异。
When the pine resin ducts were widely destroyed, there were no obvious differences between the cells in different positions.
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