查询词典 poplar birch
- 与 poplar birch 相关的网络例句 [注:此内容来源于网络,仅供参考]
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In addition to Larix, there pumila, birch, poplar and other tree species, forest neat, unit volume, is the territory of the economic value of Shanxi's largest forest, and other resources is also very rich in wild plants.
除落叶松外,还有白榆、白桦、白杨等树种,林相整齐,单位蓄积量高,是山西境内经济价值最大的林区,其他野生植物资源也很丰富。
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Li Zhong Hai introduced the use of the existing wooden chopsticks and output greater than the bamboo chopsticks, and wooden chopsticks in the standard of technical requirements for the production of more wooden chopsticks, if he is required to apply to the species of birch, poplar, and so on, this is useful for restricting the use of wood, to improve efficiency.
李忠海介绍说,目前木筷的使用量和生产量远大于竹筷,因而木筷标准中对生产技术要求的篇幅较多,如规定木筷适用树种为桦木、杨木等,这有利于限制用材、提高木材使用效率。
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China's imports of major timber ports: Pinus sylvestris, the Korean pine, pine scale, white pine, birch and poplar.
进口到中国口岸的木材主要有:樟子松、红松、鱼鳞松、白松、桦木和杨木。
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The Chinese white poplar veneer and birch veneer were dyed with different color fastening methods following an orthogonal experiment so as to investigate the effects of different dyestuffs,color fastening agents,dosages and add in methods of color fastening agents on the color stability of the dyed veneer.
设计正交试验对大青杨单板和桦木单板进行不同固色工艺的染色处理,考察不同的染料、固色剂、固色剂添加量以及添加方式对染色单板颜色稳定性的影响。
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Fourth, Wood: Forest Farm in Inner Mongolia all the year round supply of various types of pine, birch, poplar logs and all kinds of sheet metal.
四、木材:常年供应内蒙林场各类松木、桦木、杨木原木及各类板材。
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The total content of alkanes and aromatics were up to 60.01% 57.86% for poplar leaves and birch leaves with H/C molar ratio 1.79 and 1.89, O/C molar ratio 0.035 and 0.036, and HHV 45.47 MJ·kg~(-1)and 46.03 MJ·kg~(-1)These data shows that the oil from leaves was very similar to petroleum.
树皮样品所得油中碳氢化合物成分总含量有所降低,油的热值也有所降低,大体在40MJ·kg~(-1)左右,但是在树皮所得油中出现了大量的酚类物质,百分含量在40%左右。
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Beavers in the wild usually eat the bark of poplar, willow, birch and maple trees, using the wood for their dams.
它并不把这些当成是食物来源,所以我们就用注射器慢慢喂它吃。
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Wooden carvings painting and willow twig weaving stick painting produced in our factory are re-processing products by all kinds of wood plants on the basis of naturally-grown poplar, willow twig, pine, birch in the forest zone used local materials.
我厂生产的木雕画和柳编粘贴画是本着就地取材,完全采用林区天然生长的杨、柳枝及松、桦木等各种木本植物进行手工再加工的产品。
- 推荐网络例句
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Do you know, i need you to come back
你知道吗,我需要你回来
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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.
1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。
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Chapter Three: Type classification of DE structure in Sino-Tibetan languages.
第三章汉藏语&的&字结构的类型划分。