结构：辊模由钢筒芯构成，即便覆盖有互交式青铜和塑料模，也能避免各种弯曲变形。
Structure: by the cylinder roller mode, even is the core of bronze and mutual into plastic mould, also can avoid all sorts of bending deformation.
与传统的拉伸辊牵伸、静压挤出及柱塞式挤出工艺相比，口模牵伸具有明显的优越性和发展潜力。
Compared with conventional tensile drawing and hydrostatic or ram extrusion, die drawing process has considerable advantages and developing potentials.
研究了利用二连式Y型三辊辊模拉拔钢管生产新技术。
The paper involves an investigation into the new steel pipe manufacture technology of roller die drawing with the two-stand Y type three-high mill.
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