单管装置 meaning in Chinese
single mount
single tube
single-hose system
Examples
- Air distribution and air diffusion . aerodynamic testing and rating of constant and variable flow rate single or dual duct boxes and single duct units
空气的分配和扩散.恒定和可变流量单管或双管箱和单管装置的空气动力学试验及评价额定值