lkV~lOkV配电线路通过林区应砍伐出通道,通道净宽度为导线边线向外侧水平延伸5m,绝缘线为3m。
参考答案:对
The teacher told us yesterday that December 25th __________ Christmas
Day.
A.is
B.was
C.has been
D.will be
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