Wood knowledge - serpentine wood
External characteristics: The difference between the heartwood and the sapwood i...
06-20 2014
Poplar resources and their industrialization dev...
China is the world's largest producer of wood and wood products, as well as a la...
06-20 2014
Major border trade timber tree species and ident...
Yunnan Province is located on the southwestern frontier of China, bordering Viet...
06-20 2014
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