The application of NC technology in impeller machining field can greatly improve the production efficiency and decrease the cost.
将数控技术应用到罗茨鼓风机加工行业，可显著提高加工效率，降低企业成本。
The invention relates to a solid copper alloy bearing cage mold casting produced by centrifugal casting, and belongs to the machining field.
本发明涉及一种离心铸造生产实体铜合金轴承保持架成型铸件，属于机械加工领域。
The invention belongs to the machining field of colored materials, applied to batch production of all aluminum and aluminum alloy welding materials;
本发明属于有色材料的加工领域，适用于所有铝及铝合金焊接 材料产品的批量生产；
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