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006/21 08:28FONT-FAMILY:"TimesNewRoman"; FONT-FAMILY:"TimesNewRo...[详细]
006/21 08:28欧美107杨（Populus×euramericana）是美洲黑杨和欧洲美杨的杂交品种，具有生长快、抗寒、耐旱、抗病虫害、纤维长、木材密度大等优点，是工业原料林和防护林建设...[详细]
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