general-purpose-network 是什么意思? • closed collection system: a proper destination of these unit effluents (dedicated closed hydrocarbons collection system) shall be indicated by Axens on PID for all hydrocarbons streams containing 10 ppm weight (or more); as an alternate, the following note shall be added by Axens on PID if a general-purpose-network is used "This stream contains 10 ppm weight (or more) of H2S and has to be handled in a closed system to be defined by Detail Engineering Contractor" 其中general-purpose-network 怎么理解?谢谢!查看更多2个回答 . 5人已关注