计算机硬件 输入输出设备 释文 light emitting diode printer, LED printer 发光二极管打印机
- roadbed of forest road
- roadblock
- road coloring problem
- road condition measuring instrument
- road congestion pricing
- road construction and road maintenance machinery
- road construction and road maintenance machinery and equipment
- road construction area sign
- road construction equipment
- road cross-section design
- road cutting machine
- road cycling
- road detection
- road drainage
- road elevation
- road engineering geo-logical problems
- road environment
- road evaluation
- road for factory and mine
- road freight transport
- road freight transport terminal
- road frost boiling
- road frost damage
- road greening
- road heater