在电铸槽底部设一布满微孔的排气管，并通入无油压缩空气起搅拌作用；
The bottom of the electric casting tank is provided with an exhaust pipe which is besprinkled with tiny holes, and oil-free compressed air are put in the exhaust pipe to play stirring action.
在电铸槽底部设一布满微孔的排气管，并通入无油压缩空气起搅拌作用；
The bottom of the electric casting tank is provided with an exhaust pipe which is besprinkled with tiny holes, and oil-free compressed air are put in the exhaust pipe to play stirring action.
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