Because of the high demand for both aircraft production and for spruce to be used as a major material in manufacturing parts, forests of this popular wood were rapidly depleted. 由于飞机生产的高需求和云杉都被部分用作制造的主要材料,木材森林的这种流行正在迅速枯竭。
As a matter of fact, the aircraft industry uses a very small percentage of the total spruce that is milled. 作为一个事实问题的,飞机制造业使用的总比例很小云杉是精。