softening wood properties
variation of wood properties
wood chemical component
wood chemical components
Wood chemical composition
wood properties
材质
生长量
材性
木材材性
木材性质
材质性状
木材性状
材质材性
wood properties evaluation
wood properties prediction
Mid-and long-term chemical wood tapping
analysis of soil physico-chemical properties
Chemical properties
化学性质
化学性状
化学特性测定
化学性能
化学属性
铅锌矿
化学活性
化学特性
化学组成
Chemical properties of soil
Chemical properties of water
conventional physico-chemical properties
Electro-chemical Properties