Not only has the choke changed colour, but you can clearly see the rust underneath the lacquer.
不仅仅是电感改变了颜色，你还能清晰的看到漆料下也有生锈。
Iron core chokes are coated in a clear lacquer to prevent rust.
铁芯电感外层涂有漆料以防止其生锈。
The product can be used for rust prevention of various vehicle chassis, metal vehicle frames and other objects with lacquer paintings.
产品可用于各种车辆底盘、金属 车架及其它漆面物件的防锈保护。
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