6KV母线PT一次保险、二次空气开关的个数是多少?
参考答案:
一次熔丝:3个(A、B、C相),二次空气开关:2个(A、B、C和开口三角形绕组)。
仿照下面句子的形式和修辞手法,保留加粗词语,变换对象,写一个句子。
天空的星星常常如地上的人群一般拥挤,地上的人们有时却像天空的星星一样疏远。
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用所给词的适当形式填空。
1. We have many new clothes at a good price. Come and see for _____ (you).
2. Does your friend likes _____ (dance)?
3. This pair of shorts _____ (be) 15 dollars.
4. Nice _____ (meet) you.
5. June _____ (real) likes action movies, and she often goes to see Chinese action movies.