The compression of the wood is easily achieved.
木材压缩容易实现。
In physical and mechanical indexes, the basic density, air-dried density, compression strength parallel to grain, MOR, MOE and toughness of mature wood are higher than that of juvenile wood.
在物理力学性质指标中成熟材的基本密度、气干密度、顺纹抗压强度、抗弯强度、抗弯弹性模量及冲击韧性高于幼龄材；
The wood of poplar is compressed, then the compression deformation is fixed by high temperature steam and heating.
采用高温水蒸气处理和加热处理固定大青杨木材压缩变形，并对两种处理结果进行比较。
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