In breakers for high-voltage circuits. Ares are lengthened, forced against oil-laden surfaces, and cooled by oil sprays or by air jets.
用于高压回路中的断路器，电弧被拉长，并迫使它接触油 的表面，并依靠产生的油雾或气体射流制冷。
The forced wind cooled rotating sheet roller pump is used as vacuum pump or vacuum-pressure composite air pump.
一种强制风冷旋片滚柱泵，用于制造真空泵及真空压力复合气泵。
The forced wind cooled rotating sheet roller pump is used as vacuum pump or vacuum-pressure composite air pump.
一种强制风冷旋片滚柱泵，用于制造真空泵及真空压力复合气泵。
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