The dynamic balance for rotor must be done in time, if the vibration value of the large draft fan is higher than the standard authorized value.
大型风机振动值大于标准规定值时，须及时对转子做动平衡。
The dynamic balance for rotor must be done in time, if the vibration value of the large draft fan is higher than the standard authorized value.
大型风机振动值大于标准规定值时，须及时对转子做动平衡。
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