工学 定位器 释 positioner 定位器 执行机构的主要附件，其中一种是定位器。
localizer 定位器 retainer ①护圈 ②保持器，定位器
计算机应用 计算机辅助设计与图形学 释文 locator 定位器
- Urban Public Transportation in Canada
- urban public transportation system
- Urban public transport lines
- urban public utility
- urban pulic space planning
- urban purple line
- urban rail air conditioning system
- urban rail communication systems
- urbanrail depot building
- urban rail environmental monitoring system
- urban rail passenger information system
- urban rail power supply system
- urban rail signalling system
- urbanrail station building
- Urban Rail Transit
- urban rail transit
- urban rail transit bridge
- urban rail transit combined sewerage system
- urban rail transit construction
- urban rail transit construction planning
- urban rail transit drainage system
- urban rail transit electromechanical device
- urban rail transit engineering
- urban rail transit facilities
- urban rail transit feasibility study