reversed polarity machining 负极性加工
edm with reversed polarity 负极性加工
Reversed Polarity Test 反极性测试 ; 反性测试
exciter reversed polarity 励磁器反向极性
Gilbert reversed polarity epoch 吉尔伯特反极性期
Matuyama reversed polarity chron 松山反向极性期
control field reversed polarity 控制磁场反向极性
Gilbert reversed polarity ehron 吉尔伯特反向极性时
The upper part of the Derirong Formation is a reversed polarity zone.
德日荣组上部为反向极性带。
Please use bi-polar capacitors for a circuit that can possibly see reversed polarity.
对可能出现反向电压的电路，应选择双极性电容器。
Our planet's magnetic field has reversed polarity from time to time throughout its history.
整个地球史上磁极逆转不时发生。
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