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....
In the beginning , Chueh - hui had only the haziest conceptions.但是最初他所理解的也不过是一些含糊的概念.Les deux conceptions sont diam é tralement oppos é es.这两种观点大相径庭.We know that past conceptions of the nature of man are inadequate.我们知道过...