核心组件
PLC, 压力容器, Other, 电机, 发动机, 轴承, 泵, Adsorption Tower, Nitrogen Compressor, Filling ramp, air compressor, air dryer, Molecular sieve, nitrogen analyzer, controller, skid mounted, buffer tank, LN2 Generator, LN2 Container, PSA N2 Generator, Turbo Expandar, Mixed Refrigrant