为保证转子运转平衡，换齿时应注意成套更换，换后应做静平衡试验，以使磁选机工作稳定。
To ensure that the rotor operation balance, change gear should pay attention to the complete change, change should be done after the static balance test, in order to make separators stable operation.
在我的生命中，对于此，我仍然相信不可思议的三连胜式——圣诞老人、复活节小兔和换齿仙子。
At that point in my life, I still believed in the magical trifecta—Santa Claus, the Easter Bunny, and the Tooth Fairy.
在我的生命中，对于此，我仍然相信不可思议的三连胜式——圣诞老人、复活节小兔和换齿仙子。
At that point in my life, I still believed in the magical trifecta—Santa Claus, the Easter Bunny, and the Tooth Fairy.
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