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问题:

[单选题]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

参考答案: D

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