网络与数据通信 网络管理与安全 释文 security parameter index, SPI 安全参数索引
- vacuum heat treatment
- vacuum heat treatment technology
- vacuum impregnating
- vacuum induction sintering furnace
- vacuum infiltration transformation
- vacuum ingot casting
- vacuum insulation pipeline
- vacuum leak detection
- vacuum level
- vacuum line technique
- vacuum load switch
- vacuum manometer
- vacuum mass spectrometer
- vacuum melting furnace
- vacuum metallizing plant
- vacuum microdischarge
- vacuum microelectronic device
- vacuum microelectronics
- vacuum mold casting
- vacuum multi-layer thermal insulation
- vacuum nano-diode
- vacuum nanoelectronics
- vacuum nano-triode
- vacuum oxygen decarburization
- vacuum packaging