气体通常用常用组分及标准气体工业工艺流程用气:组分及组分浓度按用户实际要求定。例1:C02,70-100ppm,C2H27-10ppm CO1-100ppm;C2H4平衡气体;例2:CH4400ppm,C2H6400ppm,C2H2 8ppmC2H4平衡气体。及工业工艺流程用气:根据用户要求,可按下列气体配置所需的气体。H2,CH4,C2H6,C2H4,C3H8,i-C4H10,n-C4H10,n