speaker 扬声器
计算机应用 多媒体 释文 speaker 扬声器
- urban search & rescue training centre
- urban settlement
- urban sewage treatment
- urban sewage volume
- urban sewerage system
- urban shoreline
- urban shrinkage
- urban smart growth
- urban social psychology
- urban social studies
- urban sociology
- urban soil
- urban soil microbes
- urban spatial development direction
- urban spatial gravity model
- urban spatial segregation
- urban spatial structure
- urban spatial structure in China
- urban structure
- urban style
- Urban Sub-center Planning（Tongzhou）
- urban subterranean space engineering
- urban suburb in China
- urban succession theory
- urban surface