... flat-plate closure 平板封头 forged head 锻造封头 forming head 成形封头 ...
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forged d head 锻造封头
forged flat head 锻制平封头
As one of the key components of the nuclear equipments, the complicated large power head is difficult to be forged and machined successfully.
大型核电封头，作为核电设备关键部件之一，形状复杂，锻造、加工难度大。
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