精馏岗位入加压塔再沸器压力≤0.5MPa

精馏岗位精甲醇槽液位20%～80%

判断题精馏岗位精甲醇槽液位20%～80%

精馏岗位精甲醇槽液位5%～70%

判断题精馏岗位精甲醇槽液位5%～70%

精馏岗位入预塔再沸器压力≤0.8MPa

判断题精馏岗位入预塔再沸器压力≤0.8MPa