Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
拉深系数为0.39的两种零件，从试制到生产，证明了锥形凹模是可以实现深拉深的模具。
Two parts whose drawing coefficient are 0. 39 passed through testing to production. It proved that taper female die is used up in deep drawing.
拉深系数为0.39的两种零件，从试制到生产，证明了锥形凹模是可以实现深拉深的模具。
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