您要查找的是不是：
- DF型中继decode- and- forward relay
- T型中继T pattern repeater
- DF型机车燃油监测系统DF Type Locomotive Fuel Detection System
- AF型中继amplify-and-forward relay
- DF型单头纵横向双式堆锥Type DF single-headed longitudinal double type conical
- 区域型中继卫星zone-type trunk satellite
- DF型透反仪的原理误差Theoretical Errors of DF Type Reflectometer
- DF型低噪声离心式鼓风机DF Series Low Noise Centrifugal Blower
- 户型house type
- 笔型pen type
- DF型提速机车废气涡轮增压器故障分析与对策Failure analysis of turbocharger for DF type speed-lift locomotive and remedy
- 整型integer
- 运动型motile
- 表型phenotype
- 外型尺寸external dimension
- B型Type B
- 板型mplate
- 迷你型mini
- 标准型standard type
- 论述式题型essay type test item
