产品一次成型。
产品具有：整体一次成型、无接缝、抗冲击、抗老化、重量轻、不渗漏、耐酸碱、寿命长、符合卫生标准等优点。
Products: a whole shape, no seams, shock resistance, anti-aging, light weight, non-leakage, acid, long life, etc. in line with health standards.
分析了小型管坯一次穿孔成型工艺的可行性、产品质量和生产效益。
The possibility of one pass process and its product quality and economy for small billets are analysed.
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