One or more layers of living and functional sapwood cells are periodically converted to heartwood.
每個生長周期都有一或多層活的邊材細胞轉變成心材.
期刊摘選
Heartwood is the mature wood, which is often darker, extending from the sapwood to the pith.
心材通常是成熟的木材部分, 通常色澤較暗, 范圍從邊材一直到髓心.
期刊摘選
Thecolor of sapwood of Chinese white poplar among trees has significant difference.
毛白楊邊材材色株間存在顯著差異.
期刊摘選
Sapwood pale colored with red vessel stripes.
邊材色稍淺,僅導管槽帶有紅色.
期刊摘選
Sapwood contains xylem vessels, but not as strong as heartwood.
邊材含有木質導管, 但不如中心木質那樣堅硬.
辭典例句
We all know that the price of heartwood is higher than that of sapwood.
我們都知道,心材價格一向高于邊材價格.
期刊摘選
Sapwood is the lighter colored wood growing from inside the bark to the heartwood.
邊材色澤較淺,是從樹皮到新材之間的木質部分.
期刊摘選
Heart sapwood distinction was not obvious, chestnut brown.
心邊材區別不明顯, 材色栗褐色.
期刊摘選
Copyright ? mingxiaow.com All Rights Reserved. 杭州優配網絡科技有限公司 版權所有 未經書面允許不得轉載、復制信息內容、建立鏡像
本網站內容僅供參考,請以各學校實際情況為主!內容侵權或錯誤投訴:841539661@qq.com 工信部備案號:浙ICP備20019715號