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林木主干害虫落叶松八齿小蠹母坑道的类型为_,而横坑切梢小蠹母坑道的类型为_。

时间：2021-09-08 15:37 关键词：青书学堂东北林业大学森林昆虫学

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标准答案：@#@复纵坑@#@复横坑,

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