幼苗必须仔细挑选，获得他们苗圃建议该地区的森林。
Seedlings must be selected carefully, obtaining them from tree nurseries recommended by the area forest officer.
指导国有林场(苗圃)、森林公园和基层林业工作机构的建设和管理。
To guide construction and management of state-owned forest farms (forest nursery), forest parks and local forestry agencies.
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