cold drawn tube 冷拉管 ; 冷拔管
HP cold drawn tube 高精度冷技管
precision cold-drawn tube 精度冷拔钢管
hi-precision cold-drawn tube 高精度冷拔钢管
High precision cold drawn tube 高精密冷拔管
cold drawn seamless steel tube 冷拔无缝钢管
cold-drawn steel tube 冷拉钢管 ; 冷拔钢管
cold drawn weldless tube 冷延无缝管
Aluminium and aluminium alloys. cold drawn rod bar and tube. part 8 : porthole tubes, tolerances on dimensions and form.
铝及铝合金。 冷拔棒材条材和管材。第8部分：多孔拉拔管尺寸和形状公差。
Experimental results proves that the theoretical values are close to those measured, so this formula can be used in production of cold-drawn inner fin tube.
实验结果证明，理论计算值与实测值较吻合，因而，该公式可在冷拔内直筋管的生产中应用。
The formula of drawing force for cold-drawn inner fin tube is derived with slab method in this paper.
采用工程法推导了冷拔内直筋管拔制力的计算公式。
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