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, this was done by using a high electrical potential of thousands of volts between the anode and the cathode to ionize the residual gas atoms in the tube. the positive ions were accelerated by the electric field toward the cathode, and when they collided with it they knocked electrons out of its surface...
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grab ●cranes for nuclear power plant ● t bridge crane on ship ●double girder bridge crane with grab ●paper mill bridge crane ●bridge crane for power station ●sandwich panel crane metallurgy bridge crane ●bridge crane with electromagnetic hanging beam ●bridge crane for aluminum plant ● t ladle crane...
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