The second barrel is accommodated in the first barrel.
所述第二装筒收容于收容于所述第一装筒内。
In barrel plating, less barrel load, more barrel holes and lower barrel rotation were recommended.
滚镀时，要求滚筒装载量偏小，开孔率偏高，转速偏低。
In barrel plating, less barrel load, more barrel holes and lower barrel rotation were recommended.
滚镀时，要求滚筒装载量偏小，开孔率偏高，转速偏低。
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