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平面弹簧或金属模板是由扁平材料经过冲压，压制，或冲孔制造而成。
A flat spring or metal form is made of flat material that has been stamped, pressed, or punched.
youdao
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平面弹簧或金属模板是由扁平材料经过冲压，压制，或冲孔制造而成。
A flat spring or metal form is made of flat material that has been stamped, pressed, or punched.
youdao