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【多选题】
RCS941B微机型线路保护装置配置的主保护是( )和( )。A.
纵联距离方向保护
B.
纵联零序方向保护
C.
三段式距离保护
D.
四段式零序电流保护
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【单选题】Boxing Day is ____ public holiday usually celebrated on 26 December,_____ day after Christmas Day.
A.
the, the
B.
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C.
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D.
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