Introduction of Single Openings Compensation for Shell Header and Formed Head
筒体、集箱和成型封头单孔补强介绍
Numerical simulation and experimental research of lager thick-wall semi sphere head forming
大型厚壁半球形封头成形的模拟与试验研究
120 deg flush head break mandrel closed end blind rivets
GB/T12616-1990封闭型沉头抽芯铆钉
Mushroom head break mandrel closed end blind rivets
GB/T12615-1990封闭型扁圆头抽芯铆钉
The new-type mono-metal floating seal for roller bit
牙轮钻头用新型单金属浮动密封研究
Design and Study on Figure and Structure of Hydraulic Tunnel Plug
水工隧洞封堵堵头体型结构设计研究
NUMERICAL SIMUL ATION OF THICK WALL HEAD WARM FORMED BY MOULDLESS SPINNING;
厚壁封头无胎温旋压成形的数值模拟
The defects of the former top structure of the bricks of a heavy oil aerification furnace were analyzed, a new whole hanging top was proposed for application and the result was good.
分析了重油气化炉原炉口结构的不足,提出采用新型整体吊挂式封头,实践证明是成功的。
ellipsoidal head
椭球体的封头, 椭圆封头
Can Seamer Seaming Process Simulation and First Seam Roller Curve Analysis;
封罐机封罐成型过程仿真及滚轮曲线分析
TEST STUDY OF A NEW TYPE NON-SEAL SLIDING BEARING CONE BIT
新型非密封滑动轴承牙轮钻头的试验研究
Improve Designing of the Quick-connect Seal for the Regulating Valve
一种调节阀快速接头新型密封件的改进设计
Numerical Simulation on the Forging Process of Integrated Pressure Vessel Based on Deform-3D
基于DEFORM的大型封头整体锻造工艺数值模拟
His fingers drew forth the letter and crumpled the envelope in his pocket.
他用指头把信拽出，并在兜里将信封揉成一团。
Experiment Research of Zirconium Head Forming and It's Practice
锆制封头成形方法的试验研究及其实践
" Bag forming, filling and sealing machine"
GB/T17313-1998袋成型充填封口机
Gaskets and O rings are made of elastomers.
密封垫和O型环是由人造橡胶制成的。
Synthesis of new water expandable waterproofing sealant and its application
新型水膨胀防水密封胶的合成与应用
