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【单选题】
如图所示为110kV配电装置变压器间隔断面图（局部），已知110kV系统为中性点有效接地系统，变压器为油浸式，请回答下列问题。（供配电2008） 若变电所有两台变压器，变压器的油量均超过1000kg，当同时设置贮油坑及总事故油池（设置油水分离），它们的容量应是下列哪些数据（）？
A.
贮油坑的容量不小于变压器油量的10%，总事故油池的容量不小于最大变压器油量的60%
B.
贮油坑的容量不小于变压器油量的20%，总事故油池的容量不小于最大变压器油量的50%
C.
贮油坑的容量不小于变压器油量的15%，总事故油池的容量不小于最大变压器油量的50%
D.
贮油坑的容量不小于变压器油量的20%，总事故油池的容量不小于最大变压器油量的60%
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