【纺织；造纸】多级线形蚀刻处理

multi-stage rotary-piston pump

sectional multi-stage centrifugal fresh water pump

multi-stage oscillating-piston pump

Swing type of multi-stage sifter

multi-stage radial-flow pump

horizontal multi-stage centrifugal pump

grab rail for multi-stage presses for non-cutting metal working

multi-stage axial-flow pump