Modification of inner bearing seal structure in centrifuge for PTA production;
PTA装置离心机内部轴承密封结构改造
The seal between the car for sintering machine and the air box;
烧结机台车与风箱的密封
Research on seals of hydraulic leg and jack for hydraulic powered support;
液压支架立柱和千斤顶密封技术研究
Analysis of Fuzzy Reliability for Gasket Sealing;
垫片密封的模糊可靠性分析方法
Development and application of anti-side wear sealing device in oil well;
抽油井光杆调偏防喷密封器的应用
pressurizing window
密封封口(电缆), 气密口
weatherstripping,thresholds & seals
密封条，门槛及密封胶
a watertight compartment, joint, seal
水密室、 水密接合、水密封.
interstage gland
级间密封，级间汽封
To coat, pack, or seal with lute.
用封泥盖、包或密封
tighten up
密封, 拉紧, 拧紧
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。
oil pressure test for tightness
油密试验油压密封试验
joint gasket- or packing- type, of laminated metal foil
层压金属箔密封或填密封式接合衬垫
the seal of the air-balancing cylinder adopts multi-stage seal;
气平衡缸密封部位采用多级密封装置 ;
Hermetic: Airtight sealing of an object.
全密封：一种对物体不透气的密封。
The Seal Structure Improvement of Multi-Seal Fuel Gas Separates
多密封燃气隔断闸阀密封结构的改进
An Improved Design on Seal Groove and Seal Ring of Spherical Plain Bearing
关节轴承密封槽及密封圈的设计改进
sealing compound
电缆膏； 封口膏， 密封剂， 油灰， 腻子； 电瓶封口填料； 密封接合物
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。
Sealing convex platform: sealing convex platform is made of soft rubber, and used to seal each pin.
③ 密封凸台：密封凸台是用软橡胶制成的可密封每一根插针。
contained marine disposa
在海里作密封式的弃置
mechanical seal with low back pressure
背面低压式机械密封