问题
单项选择题
PSA单系列停车操作方法正确的是（）
A、将目标列的吸附塔手动逐个切出
B、关闭目标列的液压油，让目标列吸附塔自然停运
C、先停下PSA，切出目标列后再重新运行
D、逐个关闭目标列吸附塔的液压油，让PSA自动切塔
答案
参考答案：A
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PSA单系列停车操作方法正确的是（）
A、将目标列的吸附塔手动逐个切出
B、关闭目标列的液压油，让目标列吸附塔自然停运
C、先停下PSA，切出目标列后再重新运行
D、逐个关闭目标列吸附塔的液压油，让PSA自动切塔
参考答案：A
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