信息安全 信息系统安全防护技术 释文 dual-homed gateway 双宿主网关
- vacuum cooling dryer
- vacuum cooling infrared-rays drying technology
- vacuum curettage
- vacuum deaeration tower
- vacuum debenzolization
- vacuum degassing process
- vacuum degeneracy
- vacuum degenerate
- vacuum degeneration
- vacuum degree in canned food
- vacuum dehydration
- vacuum deposition
- vacuum diagram
- vacuum diffusion welding
- vacuum discharging test method
- vacuum distillation
- vacuum distillation refining of rare earth
- vacuum drum dryer
- vacuum dry friction cold welding test
- vacuum electron beam remelting
- vacuum electron beam welding
- vacuum electronic device
- vacuum electronics
- vacuum encapsulation
- vacuum energy