1)turn ratio,匝[数]比2)turn ratio,匝数比3)turn-ratio,匝（数）比（率）4)ratio of winding,匝数比5)rate of turn,匝数比6)rate of turns,匝数比7)ratio-turn,匝数比8)turns ratio,匝数比9)test on winding turns ratio,匝数比测试10)turns ratio error,匝数比误差
用法和例句
The influence of CT turn ratio to high impedance differential protection is analyzed, and the method of measuring turn ratio error is also introduced.
