With the modern tendency to have machinery aft, it is now usual to have the officers and crew accommodated in the superstructure aft.
随着现代的机械部位于船尾的趋势，现在把长官和水手住宿安排在船尾楼的方案变得越来越常见。
2
A single pylon design, which features forward and aft sway braces, an aft pivot, electrical connections, and fuel and air connections, is used.
单塔设计的，其特点是前进和背荡荡背带，背一个支点，电气连接，燃料和空气连接器。
3
The forward outflow valve receives a control signal from the aft outflow valve . when the aft outflow valve is closed, the forward outflow valve receives a signal to drive full closed.