网络与数据通信 有线网络 释文 X.25 protocol X.25协议
- geared turbofan
- gear failures
- geargraduation
- gear graph
- gear grinding
- gear grinding machine
- gear honing machine
- gearhousing
- gearing
- gearing relation
- gear lubrication
- gear mechanism
- Gear method
- gear motor
- gear noise
- gear oil
- gear pump
- gearshift
- gear steel
- gear strength
- geartooth correction
- gear transmission error（T.E.）
- gear tribology
- gear vibration
- gearwheel