polarized relay
... 油压动力室 hydraulic pressure engine room 有极继电器 polarized relay 迂回进路 detour route ...
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磁保持继电器是有极性区分的，如果用户需要的极性与本资料不符，应在订货时特别提出。
Magnetic latching relay is polar differentiation, and if the user needs to polarity and the data is inconsistent, should be in order when the special offers.
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