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红松是主要分布于我国东北林区的重要用材树种,同时也是重要的经济树种。木材和种子的价值都很高,市场前景好,需求量逐年增加。为提高红松的成
Korean pine is an important timber species mainly distributed in the northeastern region of China and is also an important economic tree species. The value of timber and seeds are high, the market prospects are good, the demand is increasing year by year. To improve the Korean pine into