密封

A hermetic seal is used at the top of this sample box.

这个样品盒的口用密条着。

Food which has been closed up in tins is called tinned food.

密在罐头里的食品叫作罐装食品。

A hermetic seal is used on this glass bottle.

这个玻璃瓶用的是一种密盖。

This is an unsealed letter, don’t read it.

这是一未密的信, 不要看。

The hermetic seal on the packet means that the food lasts longer.

袋上的密印表明食物能保存长的时间。

Reattach cover plate to make an air and water tight seal.

重新固定盖板，并紧密密防止水通过。

By rubber strips. We’ve installed the strips along the hatch coamings.

借助于橡胶密条，将其安装在舱口围板的四周。

The ceramic plates of air valves against abration, corrosion, dust, dirt, and sand.

陶瓷阀板耐磨、耐腐蚀、耐固体颗粒侵蚀，寿命长，适合各种体、液体阀门的密。

This paper introduces studying and using process of new type polyurethane sealing element,contrastes with similar import sealing element.

介绍了新型聚胺脂密件的研究开发使用过程,并与进口同类密件进行对比,有一定的实用价值。

Seal off the edgefold by using a new special heat-pressing technology, enhance prevention of side leakage.

独有的新型热压密折边技，有效的防止侧漏，使用放心。

To protect the security and stable of film meter, should select some kinds right airproof liquate.

为保证隔膜表使用可靠性安全性，应根据不同用途选择合适的密液。

Pressure energized lip-style piston and rod seals are wear compensating and prelubricated for millions of trouble free cycles.

高压带电唇式活塞活塞杆密的磨损补偿麻烦百万边界润滑自由周期。

It's adequate for kind of mechanical seal,it's material conrist of Fluororubber,Silastie,Buna n rubber and each latex ware.

产品适用于各种机械密，有氟橡胶、硅橡胶、丁氰橡胶、三元乙丙胶等各种橡胶制品。

The optimum operating parameters is the important way to improve seal performence of pump valve and to prolon...

因此，优化泵的工作参数是提高泵阀的密性能、延长其使用寿命的重要途径。

It mainly consists of blind cap, blind base, unblanking mechanism, seal ring, tumbler, safety lock plate, pressure relief.

它主要是由盲板盖、盲板座、开启机构、密圈、转臂、安全锁板、泄压装置构成。

The article analyzes the reasion of poor effect for cuppy fixed dummy block in aluminium alloy extrusion press.

综合分析了杯碗式固定挤压垫实际密效果差的原因,针对固定挤压垫的结构进行了改进。

Chlorhydrin rubber properties of physical and chemical. process technology. adhesivenessand use in cold reducting machines were mainly introduced.

主要介绍了氯醇橡胶的机械性能、工艺性能、粘合性能及在制冷压缩机密中的应用。

Recently, the approaches of obtaining surface paintability have become an international research focus in the fields of organosilicon sealants.

如何获得表面可修饰性的有机硅密材料是近年来国内外研究的热点之一。

Applicable to acid (except vaporish acid),alkali, ammonia, vapor, oil, organic solvent ,chemistry corrosiveness, filling airtight of rotary pump.

适用酸（除发烟硫酸外）碱，，氨，蒸，油品，有机溶剂，化学腐蚀性介质的各种旋转泵，阀门的填料密。

The discharge voltage of some equipment like trigatron spark gap and so on in series compensation project is extremely important.

串补工程中密间隙等设备的放电电压准确性至关重要。