实际上，涡轮圆盘和喷嘴是装在机壳里的。
In practice, the turbine disc and the nozzles are fitted into a casing.
这其中包括了第二代单晶涡轮机叶片材料、金属粉圆盘以及改良的全部授权电子数字控制。
These include second-generation single-crystal turbine blade materials powder metal disks and an improved full authority digital electronic control.
这其中包括了第二代单晶涡轮机叶片材料、金属粉圆盘以及改良的全部授权电子数字控制。
These include second-generation single-crystal turbine blade materials powder metal disks and an improved full authority digital electronic control.
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