网络与数据通信 网络管理与安全 释文 domain name service, DNS 域名服务
- fuel pellet
- fuel permeation
- fuel pumps
- fuel quantity measurement system
- fuel ratio
- fuel reforming
- fuel rich flame
- fuel-rich flame
- fuel-rich gas staged combustion liquid rocket engine
- fuel rich propellant
- fuel rod
- fuels
- fuel-saving stove
- fuels for metallurgical industry
- fuel smart pumps
- fuel spray nozzle
- fuel storage pool
- fuel supply
- fuel system control
- fuel system control valves
- fuel system flight test
- fuel system of gasoline engine
- fuel tank inerting system
- fuel tank pressure and vent control system
- fuel transfer pumps