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美国林业及纸业协会中国代表处代表郑怀宇美国是一个森林资源丰富的国家，土地总面积的三分之一覆盖着绿色的森林，树木和森林在整个国家几乎触目可及。在这些森林中，有一亿九千五百万公顷的树木是可以用于林产品生产的。除了丰富的森林资源外，美国还具有经过３００年的...
The Representative of the China Forestry and Paper Association’s Representative Office in China Zheng Huaiyu The United States is a country rich in forest resources. One-third of the total land area covers green forests. Trees and forests are almost within reach of the entire country. Of these forests, 195 million hectares of trees can be used for forest products. In addition to rich forest resources, the United States also has 300 years of experience ...