These methods can meet demands for space model development and provide design and application references to the next generation heavy caliber cryogenic ball valve.
经低温介质试验和型号试验使用，证明改进方法有效，可满足型号研制需要，对大口径低温球阀的研制具有一定参考价值。
These methods can meet demands for space model development and provide design and application references to the next generation heavy caliber cryogenic ball valve.
经低温介质试验和型号试验使用，证明改进方法有效，可满足型号研制需要，对大口径低温球阀的研制具有一定参考价值。
应用推荐