【单选题】
关于干燥器出口水分不合格的原因，下列说法不正确的是___。
A. 运行时间过长
B. 入口温度过高
C. 再生时间过长
D. 干燥剂粉碎或中毒
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答案
C
解析
暂无解析
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【单选题】
对于冷箱系统压差过大的处理方法，下列选项不正确的是___。
A. 严重时，作停车处理
B. 检查裂解气干燥状况，如冻堵，则注入甲醇解冻
C. 检查各过滤器，并用木锤敲打
D. 切换干操器即可
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