ventilating duct

基本解释

The equivalent radius two-gyration ventilating duct is a design project of new type of movable duct.
等半径双回转式通风管道是一种新型活动管道设计方案。
In the new plan a electrostatic filter was added to ventilating duct and filters were reallocated in clean air-conditioning system.
在新方案中将静电净化装置加装在空调系统的通风管道中，并对过滤器进行重新配置。
Each kind pastes plays the part of foundation plate of the board, the steel structure outsourcing, ventilating duct outsourcing, roofing board.
各种贴饰板之基板，钢结构外包，通风管道外包，屋面板。