采用新型的滑环组，保证足够的接触面积和压紧强度，更好的传递电流。
The explosion-proof cable drum adopts a novel slip ring group, guarantees enough contact area and compression strength, and better transfers current.
采用新型的滑环组，保证足够的接触面积和压紧强度，更好的传递电流。
The explosion-proof cable drum adopts a novel slip ring group, guarantees enough contact area and compression strength, and better transfers current.
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