电梯术语
电梯行业中的专业术语
单元式砖混结构住在楼外装电梯 installing the elevators outside the residential building with unit mixed configurati
单元式砖混结构住在楼外装电梯 （installing the elevators...
水压型住宅电梯 residence residence with water hydraulic system
水压型住宅电梯（residence residence with water h...