1.
An O-ring seals the relief valve body to the main housing.
用一个O形环密封安全阀阀体与主外壳。
2.
The O-ring seal material shall be manufactured from EPDM.
形环密封材料应该由三元乙丙橡胶制造。
3.
The check valves shall be modular and shall seal to the main valve body by the use of an O-ring.
止回阀应该是模块化，并通过一个O形环密封连接到主阀体上。
4.
It has two stem sealing: one is stuffing box and another is toroidal sealing ring( O-ring).
本阀阀杆密封分为两种形式：一为填料密封；一为O型密封环密封。
5.
Finite Element Analyse of the Distortion of Sealing Ring of Spiral Groove Gas Face Seals;
螺旋槽气体端面密封密封环变形有限元分析
6.
Sealing performance research of rubber seal ring with different section shape
不同形状橡胶密封环结构的性能分析
7.
Effect of viscoelasticity and shape of butyl rubber seal rings on structural sealing performance
丁基橡胶密封环形状和材料黏弹性对结构密封性能的影响
8.
Design of Annular Rubber Seal for the Oil-Water Well Device Under Pressure Operation
油水井带压作业装置中环形密封胶芯的设计
9.
Optimization of Rotary and Stationary Rings in the Equipment with Dry Gas Seal Based on Thermal Deformation Compensation
基于热变形补偿的干气密封动静环优化
10.
"On the standard seals, the secondary sealing bellows (flexible elastomer bellows) and the o-ring are Viton material for maximum performance."
在标准的密封上,次密封波纹管(柔软的弹性波纹管)和O形环采用性能最好的氟橡胶材料。
11.
epoxy enclosed transistor
环氧树脂密封晶体管
12.
Piston rings not sealing (oil being consumed by the engine).
活塞环没密封（引擎用油）。
13.
silicone elastomer seal ring
硅化人造橡皮密封环
14.
Sealing ring is fitted on pump body, while impeller sealing ring is an optional part.
设有泵体密封环，而叶轮密封环为可选用件。
15.
triangular asperities technique
三角形凸点密封技术
16.
BALL JOINT SEAL BOOT
球形接头密封防尘套
17.
Taper type hanger and straight type hanger are available for tubing head.
油管挂的密封形式有非金属密封(图一)金属密封(图二)种形式。
18.
The Study of Design and Manufacture Mechanism of the Mechanical Seal Ring Face Structure;
机械密封环表面结构形貌的设计与制造机理研究