sapwood meaning in Chinese

白木质
边材

Sapwood contains xylem vessels, but not as strong as heartwood .
边材含有木质导管，但不如中心木质那样坚硬。
If timber poles are used, the bark can be peeled off the tops to expose the light colored sapwood .
如用圆木杆，可削去顶端树皮，露出木质部的明亮色泽。
In older stems, only the most recent rings of xylem participate in the transport of materials. these make up the sapwood .
在老茎中，仅最新的木质部环参与物质的运输。这些木质部环组成边材。
Reviews of research work on sap flow process in tree species sapwood
树木边材液流传输研究述评
Effect of pretreatment with freezhing on carbonization of sugi cryptomeria japonica sapwood
冷冻处理对日本柳杉边材炭化的影响

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