Discussion on Heat Treatment of 3Cr2W8V Three Rolls Punching Stamp
3Cr2W8V钢制三辊穿孔顶头的热处理探讨
rotary rolling mill
蘑菇形轧辊的穿孔机
barrel type roll piercing mill
带桶形轧辊的穿孔机
Rebuilding for ф140 horizontal toteing disc CTP
ф140卧式带导盘锥形辊穿孔机的改造
Analysis on the Roller Cone Angle Design of Smooth Rolling of Skew Rolling Piercer
斜轧穿孔机轧辊辗轧锥角的设计分析
The Force Ansysis and Numberial Simulation of the Two Shew Roller Piereer;
二辊斜轧穿孔机穿孔过程的力学分析和数值模拟
DEFORMATION OF METAL IN A 2-SKEW-ROLL PIERCING MILL WITH SINGLE ROTATING DISC
单主动导盘二辊斜轧穿孔机中金属变形
Motional Mechanism Analysis and Parameter Determination of Gear-connecting Rod Type Centering Roller Device for Three-roller Rotary Pipe Mill
三辊斜(穿)轧管机齿轮—连杆式定心辊装置的运动机构分析及参数确定
The Automatic Programming of Roller Passes Numerical Control Turning Process Based on the 3D Solids;
基于三维实体的轧辊孔型数控车削加工自动编程
Distributing Roller
均布辊; 排肥辊; (涂料)分配辊; (三辊磨的)匀料辊; (印刷)匀墨辊
breathing pad roller
微孔弹性辊（又称排吸水轧辊）
43.4% of the cases are of clear round window niche without membrane(the open type), while 56.6% have round niche membrane which could be furtherdivided into three types: the closed, the perforated and the reticulated types.
6％有龛膜,并可分为封闭型、穿孔型和网状型三种。
Evaluation of Detecting Root Perforations by Three Electronic Apex Locators In Vitro
三种根测仪定位根管侧穿孔准确性的比较研究
Application of CT 3-dimensional reconstructive images in localization of thoracic intervertebral foramen
CT三维重建在胸椎间孔穿刺定位中的应用
Repair of Nasal Septal Perforation with Three-layer Graft under Nasal Endoscope
鼻内镜下三层移植物鼻中隔穿孔修补术
Analysis on effects of three different surgical methods in acute ulcerations of gastric carcinoma
三种不同术式治疗胃癌急性穿孔的疗效分析
Research on Gap of Roll-die of Pellets Plane-die Press
三锥辊式平模制粒机模辊间隙的探讨
paper tape puncher
纸带穿孔器纸带凿孔机