导热油系统过压? Protection against over pressure of Dowtherm system under extreme upset conditions caused by failure of shut down of Methanol due to: 1) Low Water Level in DTC 2) High % RX out 3) High % Dowtherm 4) High Pressure DTC Air pad 请教上句中标红的部分具体是指什么 查看更多1个回答 . 3人已关注
请教各位朋友一个化工专业词汇spectators,希望知道的海 ...? acetates are actually intermediates rather than spectators in the catalytic oxidation 醋酸酯 实际上是催化氧化反应的一个 中间体 ,并非没有参与催化氧化.....查看更多1个回答 . 4人已关注