Concerning the incinerator’s operation, wh
题型：单项选择题
问题：
Concerning the incinerator’s operation, which of the following is not correct?（）
A.Scavenging time should be more 30 seconds before igniting
B.The temperature of sludge tank is 80~100℃
C.First igniting the incinerator with diesel oil, when the temperature of health is about 600℃, the sludge oil drawn in
D.The ash can be dumped into sea when the distance is more than 3 miles from land