风动管道 meaning in English
pneumatic piping
Examples
- Pneumatic tube conveyor systems - graphic symbols
风动管道系统.图形符号 - Pneumatic tube system - conveyor tubes , conveyor tube bends and sleeves for pneumatic tubes lines in steel and stainless steel
风动管道系统.风动管道系统钢和不锈钢传送管传送管