Douglas Fir黄杉（Pseudotsuga ）除了Fir对应了冷杉和黄杉两个属以外，其它俗名都规整地对应到一个属的植...
在北美地区，我们可以关注一些常见的松科植物，包括Pine（松）、Fir（冷杉）、Spruce（云杉）、Larch（落叶松）、Hemlock（铁杉）、以及Douglas Fir（黄杉）。这些植物的俗名与它们所属的属相对应，且在北美地区相对常见。在区分这些植物时，我们可以通过观察叶子的数量、形状、与枝条的连接方式、球果的形态等...
Spruce Pine Fir Lightweight and easy to work with, our Western Canadian SPF lumber combines an excellent strength-to-weight ratio, dimensional stability and sustainability, making it a top choice for versatile applications. We make it in Acheson, AB Elko, BC + 6 more Available locally via ...
Application of WRC for pellet production is uncertain because unlike spruce/pine/douglas fir, WRC tends to combust in rotary drum dryers. The scientific reasons for the reported fire incident are not known. The goal of this research is to assess whether WRC has a higher tendency to emit ...
该树种组合包括结构参数相似的树种, 即美国西部的恩氏云杉、西加云杉和黑松以 及美国东北部的香脂冷杉、短叶松、红松和其 他种类云杉。云杉-松-冷杉(南方)适用于一 般构架用途。在高级结构性轻型构架等级中, 特定尺寸的木制品适用于轻型桁架及其他工 程应用。
Fir Trees:Fir trees are similar to spruce and pine trees in many ways, but they have some unique features as well. For example, fir needles tend to be softer and less prickly than spruce or pine needles. Some popular types of fir trees include Douglas fir, balsam fir, Fraser fir, and...
青云英语翻译 请在下面的文本框内输入文字,然后点击开始翻译按钮进行翻译,如果您看不到结果,请重新翻译!Spruce Pine Fir 选择语言:从 到 翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5 翻译结果1复制译文编辑译文朗读译文返回顶部 云杉松杉 翻译结果2复制译文编辑译文朗读译文返回顶部 整洁的松树枞树 翻译结果3...
求翻译:Spruce- Pine-Fir Lumber是什么意思?待解决 悬赏分:1 - 离问题结束还有 Spruce- Pine-Fir Lumber问题补充:匿名 2013-05-23 12:21:38 云杉- 松木 - 冷杉木材 匿名 2013-05-23 12:23:18 云杉的杉木冷杉木材 匿名 2013-05-23 12:24:58 云杉的杉木冷杉木材 匿名 2013-05-23 12:26:...
"Length effects in 38 mm spruce-pine-fir dimension lumber." Canadian Journal of Civil Engineering, 17(2), 226-237.Madsen, B. 1990a: Length effects in 38 mm spruce-pine-fir dimension lumber. Canadian Journal of Civil Engineering 17(2): 226-237...
1) Douglas(s)fir [ pine, spruce ] [植]黄杉属;花旗松, 洋松 2) Pinus ponderosa var.ponderosa 太平洋黄松 1. Division on Suitable Climatic and Ecological Region for Introducing ofPinus ponderosa var.ponderosato China; 我国引种太平洋黄松的气候适生区区划 ...