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真空渗碳技术
释义
真空渗碳技术
Encyclopedia
工学
热处理技术
释
vacuum carburizing technology
真空渗碳技术
在0~3000帕低真空状态下,通过渗碳介质脉冲送进方式进行快速渗碳的工艺。又称低压渗碳技术、脉冲渗碳工艺。
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astronaut medical abortion
astronaut medical qualification
astronaut medical quarantine
astronaut operational ability in EVA
astronaut postflight recovery
astronaut psychological training
astronaut safety
astronaut selection and training
astronaut training buildings(astronaut selection and training center)
astronaut virtual reality training simulator
astronaut workload evaluation
astronaut’s health management
astronavigation
astronavigation, celestial navigation, celestial guidance
astronegative
astronette
astronomer
Astronomer Royal
Astronomer Royal for Scotland
Astronomia danica
Astronomiae instauratae mechanica
Astronomiae instauratae progymnasmata
astronomic
astronomical
astronomical aberration
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