下列属于皇家园林的特征有()
A、规模宏大,真山真水
B、南北景色,兼收并蓄
C、理水模式,一池三山
D、功能齐全
E、分工明确
参考答案:A, B, C, D, E
They went into a small house but ___.
A.no persons did they find
B.not a person found they
C.not a person did they find
D.not a person they found
变压器的重瓦斯保护跳闸,应如何检查处理?