硬管和软管 meaning in Chinese
tubes and hoses
Examples
- Chart s static vacuum insulated , laminar radiation - shielded piping is offered in rigid and flexible styles with inner line diameters ranging from 3 8 " through 24 "
查特静态真空绝热管道，有硬管和软管两类，内管直径从3 8 "到24 " 。