Pine 松（Pinus ）Fir 冷杉（Abies ）Spruce 云杉（Picea ）Larch落叶松（Larix ）Hemlock铁杉...
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...
When it comes to spruce and pine trees, one of the most noticeable differences is their needles. Spruce needles are generally shorter, stiffer, and more pointed than pine needles. They are also attached individually to the branches, rather than in bundles or fascicles like pine needles. Pine ...
Spruce Pine Fir Lightweight and easy to work with, our 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 truck and rail and...
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。
2024 Some tree types, such as pine, spruce or fir, contain oils that could irritate a dog's mouth and stomach. Thomas G. Moukawsher, Newsweek, 16 Dec. 2024 See all Example Sentences for spruce Word History Etymology Adjective perhaps from obsolete English Spruce leather leather imported ...
SCIENTIFIC VS. POPULAR IN FOREST TERMINOLOGY: FIR TREE, SPRUCE TREE, PINE TREESANDU PRVULESCU, SimonaStudii i Cercetri de Onomastic i Lexicologie
'Affect' vs. 'Effect' Words You Always Have to Look Up Democracy or Republic: What's the difference? Every Letter Is Silent, Sometimes: A-Z List of Examples Popular in Wordplay See More What do SCOTUS, POTUS, and FLOTUS mean?
Tree Spruce Pine Tree Edit image Fir Tree Nature Spruce Edit image Spruce Needles Spruce Edit image Tree Spruce Cones Edit image Christmas Background Fog Edit image Tree Spruce Pine Tree Edit image Tree Spruce Pine Tree Edit image Tree Spruce Cones Edit image Tree Spruce Cones Edit image Load ...
Madsen, B.: Length effects in 38 mm spruce-pine-fir dimension lumber. Canadian Journal of Civil Engineering 17, 226–237 (1990)Madsen B (1990) Length effects in 38mm spruce-pine-fir dimen- sion lumber. Can J Civil Eng 17:226-237...