back seal是什么意思

网络释义

用法例句

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

Comparison and selection of airproof material for load cell;

传感器密封材料的比较与选用

Development of Self - airproof Side - door in 270 km/h High - speed Locomotive;

270km/h高速机车自密封门的开发研究

The Influence of Cylinder-body on Airproof Between the Cylinder Head And Cylinder;

机体刚度对气缸盖—气缸套密封性能的影响

Analysis of the seals used in high pressure heat exchanger on hydrogenation plant;

加氢装置高压换热器密封的分析比较

Analysis and improvement of blow-by for piston seals of electro-hydraulic hammer;

电液锤活塞密封窜漏的原因分析及改进

Applications of magnetic liquids seals on the whirl axle of centrifugal fan;

磁性液体应用于离心风机旋转轴密封的研究

Analysis and calculation for the sealed surplus of airtight coupling for oil pipe;

石油套管气密接头密封过盈量的分析与计算

In this paper, a method of determination of the freezing point with “a ice water bath of lower and unchanged temperature, lower cold in part, airtight tube, stirring with a machinery” is reported.

采用“固定冷浴温度、局部过冷、密封样品管、机械搅拌”的方法进行溶剂或溶液凝固点测量 ,与传统方法相比 ,它具有操作简单、结果准确、重现性好的优点 。

The paper describes a sort of high performance polyurethane-polyethylene glycol terephthalate (PET) fiber fabric-alu- m inium foil composite liner to be used as airtight joint structure of the gas pipeline.

本文介绍了一种高性能的聚氨酯-涤纶布-铝箔复合材料内衬的煤气管道接头密封连接结构,还介绍了“诺迪霸工艺”,并按有关试验标准,对管道接头密封结构进行了气密性、耐气压、抗弯曲、抗剥离强度及人工加速老化等试验。

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