再生塔回流罐压力降后,又马上突然上升,分析原因为() ["A.再生塔底重沸器内漏","B.胺液发泡","C.胺液再生塔胺液冲塔"]
溃疡性结肠炎的完整诊断包括() ["临床类型、病变范围、严重程度、病情分期","病程、病变范围、是否激素依赖","严重程度、病情分期、病变范围、是否激素依赖","严重程度、病变范围、临床类型、是否激素依赖","急性或慢性、病情分期、病变范围、是否激素依赖"]
发生瞬时停电,分馏泵恢复程序为() ["A.回流泵、塔底泵、侧线泵","B.侧线泵、回流泵、塔底泵","C.塔底泵、回流泵、侧线泵"]
反应注水中断,分馏岗位调整不应该() ["A.参考各操作参数,保证产品质量","B.排未转化油","C.稍降产品抽量","D.分馏系统改放空"]
下列四种气阀定时失准的情况中,会造成气缸中的废气倒流入进气道的是() ["A.进气提前角过大","B.排气提前角过大","C.进气延迟角过大","D.排气延迟角过大"]
球果