Aircraft construction department was established in 1959.

飞机结构部门成立于1959年。

Sitka Spruce is the preferred type of wood for aircraft construction.

锡特卡云杉飞机的首选类型的建筑木材。

The use of Sitka Spruce is certainly not limited to aircraft construction.

云杉使用锡特卡绝不限于飞机建设。

Today spruce and other types of wood remain somewhat popular for aircraft construction.

今天，云杉和其他类型仍然有点木建筑流行的飞机。

Safety hazards are very evident unlike some of the other types of aircraft construction.

施工安全危害是非常明显的不同于其他类型的飞机一些。

In order to achieve these aims, they are planning a revolution in aircraft construction.

为了达到这些目标，他们计划对飞机的构造进行革新。