plant air utility drops 是个什么东东?(关于工厂气)? Plant Air • Although water in the air will be knocked out at the OSBL compressors, there still is potential for water to collect in the header; therefore, operators will blowdown plant air utility drops before using them to supply compressed air to tools; otherwise, the plant air will be filled of water and not safe to be used when needed especially during catalyst change activities. [ ]查看更多22个回答 . 4人已关注