成功制造出带冷却通道的火箭发动机推力室身部样件。
A sample of rocket engine thrust chamber with cooling channels was successfully manufactured by APEF.
重复性和再现性研究使用的样件由模具制造商提供。
The sample parts for study R&R are supplied by tooling supplier.
应用快速成型制造技术进行样件的制备和功能试验，完成了滴管设计的快速验证和修改；
Prototypes are built up using RP technique to complete rapid verification and the modification of the dropper design.
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