传统置换通风
downward displacement ventilation
传统风貌
traditional feature
Traditional style
traditional sytle and features
traditional scene
传统风貌保护
traditional scenes protection
传统风水文化
Traditional Fengshui culture
传统风鸭
traditional dry-cured duck
传统统计调查方法
traditional statistical investigation method
传统统计方法
traditional statistical method
传统统计分析
traditional statistical analysis
具有传统风味特色
distinctive for its traditional properties
空调系统通风管道
central air conditioning system