提出了应用3YC20弹性合金制造波纹膜片膜盒时，材料应控制的初始冷变形范围和相应的制造工艺方法。
The original cold-working range and technological processes of diaphragm of 3YC20 elastic alloy were put forward.
提出了应用3YC20弹性合金制造波纹膜片膜盒时，材料应控制的初始冷变形范围和相应的制造工艺方法。
The original cold-working range and technological processes of diaphragm of 3YC20 elastic alloy were put forward.
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