计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
计算表明：防振杆与环箍的结构和尺寸对蒸汽发生器管束的固有振动频率有显著影响。
It is certified that the structure and size of the anti-vibration bar and loop hoop have notable effect on the natural vibration.
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