n.外壳,罩

叶冠 shroud // tip platform // tip shroud

缘板 platform // shroud

shroud 叶冠

shroudless blade 无冠叶片

abradable shroud        耐磨罩圈/环

box shroud                  套环

dashpot shroud          阻尼罩圈

mid/par span shroud （风扇叶片）阻尼凸台

shroud 1、（压气机叶片）缘板2、（涡轮叶片）叶冠；3、机罩

shroud notch 叶片衔接槽口

shroud ring （叶片）封严罩环

shroud segments （叶片）冠环扇形件

shroud support 罩环支撑

stator shroud 静子外环

这个词够复杂的。

1.The HP turbine blade continued to be a major cause of concern as it had developed a new problem of thin wall sections under the shroud (Figure 142c) in an area that could not be adequately inspected, it was not uncommon for blades to fail in minutes or after only a few hours.

2.In parallel with the increased gap, we had already committed to using an interlock shroud on the production blade.

3.The HP turbine blade continued to be a major cause of concern as it had developed a new problem of thin wall sections under the shroud (Figure 142c) in an area that could not be adequately inspected, it was not uncommon for blades to fail in minutes or after only a few hours.

4.Figure 151 d - HP turbine blade shroud curling

5.The consequential burning of the HP NGV outer platform and HP turbine shroud segment led to the burn-through which was contained by the tantalum flame breakout shield and would not have been hazardous to the aircraft.