桦木是什么意思_桦木用英语怎么说_桦木的翻译_桦木翻译成_桦木的中文意思_桦木怎么读,桦木的读音,桦木的用法,桦木的例句

He used a piece of birch to make a small boat.

他用一块桦木做一只小船.

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Only Poplar and Birch log shipments are up for the year.

只有杨木和桦木的原木出货高于去年.

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The microwave - assisted extraction ( MAE ) of betulin from Betula platyphylla Suk.

利用均匀设计法优化了微波辅助提取白桦树皮中桦木醇的工艺.

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The beating and papermaking characteristics of short rotating birch pulp were studied.

本文研究了短周期桦木漂白硫酸盐浆的打浆造纸特性.

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PHYLOGENY AND PHYTOGEOGRAPHY OF THE BETULACEAE ( CONT. )

桦木科植物的系统发育和地理分布 ( 续 )

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Alder trees belong to the birch family.

赤杨属于桦木科.

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Main attractions: General nur, West big nur, colorful mountains, the Grand Canyon, Birch ditch.

主要景点: 将军泡子 、 西大泡子 、 五彩山 、 大峡谷 、 桦木沟.

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He experiments with a vast range of woods, including Baltic birch and black walnut.

他还尝试用各种木材来制作,比如桦木和黑胡桃木等.

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The effect of green oxygen on alkaline pulping of mixed hardwoods and birch was investigated.

在实验的基础上考查了绿氧在混合阔叶木和桦木的碱法蒸煮中的影响.

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