polar(ity) relay

• 极性继电器

polar(ity) relay的英文翻译是什么意思，词典释义与在线翻译：

英英释义

形容词 polar:

1. having a pair of equal and opposite charges

2. characterized by opposite extremes; completely opposed

3. located at or near or coming from the earth's poles

4. of or existing at or near a geographical pole or within the Arctic or Antarctic Circles

5. extremely cold

6. being of crucial importance- Henry Kissinger