1.
Introduction of Single Openings Compensation for Shell Header and Formed Head
![点击朗读](/dictall/images/read.gif)
筒体、集箱和成型封头单孔补强介绍
2.
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
3.
120 deg flush head break mandrel closed end blind rivets
![点击朗读](/dictall/images/read.gif)
GB/T12616-1990封闭型沉头抽芯铆钉
4.
Mushroom head break mandrel closed end blind rivets
![点击朗读](/dictall/images/read.gif)
GB/T12615-1990封闭型扁圆头抽芯铆钉
5.
The new-type mono-metal floating seal for roller bit
![点击朗读](/dictall/images/read.gif)
牙轮钻头用新型单金属浮动密封研究
6.
Design and Study on Figure and Structure of Hydraulic Tunnel Plug
![点击朗读](/dictall/images/read.gif)
水工隧洞封堵堵头体型结构设计研究
7.
NUMERICAL SIMUL ATION OF THICK WALL HEAD WARM FORMED BY MOULDLESS SPINNING;
![点击朗读](/dictall/images/read.gif)
厚壁封头无胎温旋压成形的数值模拟
8.
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。
9.
ellipsoidal head
![点击朗读](/dictall/images/read.gif)
椭球体的封头, 椭圆封头
10.
Can Seamer Seaming Process Simulation and First Seam Roller Curve Analysis;
![点击朗读](/dictall/images/read.gif)
封罐机封罐成型过程仿真及滚轮曲线分析
11.
TEST STUDY OF A NEW TYPE NON-SEAL SLIDING BEARING CONE BIT
![点击朗读](/dictall/images/read.gif)
新型非密封滑动轴承牙轮钻头的试验研究
12.
Improve Designing of the Quick-connect Seal for the Regulating Valve
![点击朗读](/dictall/images/read.gif)
一种调节阀快速接头新型密封件的改进设计
13.
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
14.
His fingers drew forth the letter and crumpled the envelope in his pocket.
![点击朗读](/dictall/images/read.gif)
他用指头把信拽出,并在兜里将信封揉成一团。
15.
Experiment Research of Zirconium Head Forming and It's Practice
![点击朗读](/dictall/images/read.gif)
锆制封头成形方法的试验研究及其实践
16.
" Bag forming, filling and sealing machine"
![点击朗读](/dictall/images/read.gif)
GB/T17313-1998袋成型充填封口机
17.
Gaskets and O rings are made of elastomers.
![点击朗读](/dictall/images/read.gif)
密封垫和O型环是由人造橡胶制成的。
18.
Synthesis of new water expandable waterproofing sealant and its application
![点击朗读](/dictall/images/read.gif)
新型水膨胀防水密封胶的合成与应用