介绍黄铜合金锻造中的一些基本要求，并具体介绍了气瓶阀阀体多向模段工艺及模具。
Die forging process in several directions and forging die of the gas hottle valve are also presented concretely in this paper.
介绍黄铜合金锻造中的一些基本要求，并具体介绍了气瓶阀阀体多向模段工艺及模具。
Die forging process in several directions and forging die of the gas hottle valve are also presented concretely in this paper.
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