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- barrel type roll piercing mill 带桶形轧辊的穿孔机
- roll piercing mill 穿轧机
- three roll piercing 三辊穿孔
- barrel-type roll piercing mill 带桶形轧辊的穿孔机
- cone roll piercing mill 菌式轧辊穿孔机
- PIERCING OF LESS-DEFORMABLE STEEL AND ALLOY ON TWO-HIGH SKEW ROLLING PIERCING MILL 关于难变形钢和合金管坯的二辊斜轧穿孔问题
- Comparison of Two Roll Cone Shaped Roll Piercer with Three Roll Barrel Type Piercer 二辊锥形辊穿孔与三辊鼓形辊穿孔对比分析
- Cross roll piercing elongation mill, CPE 斜轧穿孔延伸机
- three roll piercer 三辊穿孔机
- I shot three rolls of film last weekend. 上周末我用完了三卷胶卷。
- I sent three rolls of film away to be processed. 我送了三个胶卷去冲印。
- Piercing mill is the most important equipment on the rolling pipe line,and the frame is the nucleal component of the piercing mill. 穿孔机是轧制钢管的重要设备,而机架又是穿孔机的核心组成部分。
- Please give me three rolls of film. 请给我三卷胶卷。
- Based on the deformed trait of three roll skew rolling mill, the calculation formulas for rolling force are derived and verified by the method of slip lines. 根据三辊轧管机的轧制变形特点，应用滑移线方法，推出了三辊轧管机的轧制压力的计算公式，并得到实验验证。
- The co-authors describe the need of modification of the plugbar transfer system of the Mannesmann piercing mill located at Seamless Steel Tube Plant,Baoshan Iron &Steel Co. 简述了宝钢无缝钢管厂曼式穿孔机顶杆转交装置改进的原因。
- The motion equations of the rocker device behind piercing mill are derived and the method for calculating the motion parameters is presented in this paper. 本文建立了穿孔机后台拔杆装置的运动方程，描述了运动参数的计算方法，编制了计算程序；
- Also describd here is details about research involving the three roll adjustable MPM (PQF). 对正在研究的三辊可调式连轧管机（PQF）也作了较详细的介绍。
- W11 series synmmetric turn-up form three roll bendling machine,resing and flalling the up-roller of which all adot mechanical power drive. w11系列对称上调式三辊卷板机，上辊升降和两下辊旋转，均采用机械传动。
- Presented in the article is a CAD illustrative method for groove opening of rotary piercing mill,which is much simpler and easy-to-use than the mathematic method as used for the same purpose. 介绍了一种使用计算机辅助设计(CAD)图解斜轧穿孔孔型开度值的方法,解决了在生产中用数学方法求解斜轧孔型开度值较复杂,难以应用的问题。
- On the three roll forming unit equipped with diameter adjust roll used for the diameter control in the whole production period,this method is simple and very exactly to controll. 在三辊式成型机设置调径辊控制生产过程中的螺旋焊管直径，方法简单，控制准确。
