Very slow - grown softwoods have excellent workability.生长非常慢的针叶材有着特别好的加工性能.There are two main kinds of timber trees - softwoods and hardwoods.用材树种有两大类 -- 软木材与硬木材....
The mattress is supported on a softwood frame.床垫用软木材架子支撑着。Softwood trees have thin, needle - like leaves.软材树的叶片纤细, 呈针状.Processing category: Corn, peanut, dried potato grains, chemical raw materials, plastics, wood powder...