If the protective seal is not air proof or poor gas purity, it will also bring welding quality problems.

气路有密封不好的问题，或气体纯度不高，也会引起焊接质量问题。

Experimental analysis was conducted to study launching equipment damage caused by open delay of air proof cover.

针对密封盖未及时开启造成发射装置的损坏问题进行了实验分析。

Proof of itinerary, including air tickets and hotel bookings.

提供路线，包括飞机票和酒店预订。

That fresh air, along with the bubble's ultraviolet-proof plastic, helps moderate temperatures and keeps the greenhouse effect in check.

而新鲜空气通过防紫外线塑料隔膜调节室内温度并抑制温室效应。

That fresh air, along with the bubble’s ultraviolet-proof plastic, helps moderate temperatures and keeps the greenhouse effect in check.

而新鲜空气通过防紫外线塑料隔膜调节室内温度并抑制温室效应。

With card-board, oil-cloth and canvas, she made the lattice-work air-proof and light-proof.

用一些纸板，油布和帆布她就让这些小个子防风又防晒了。

It is proved by the experiments that the quality of air-proof of the device is very important for realizing the non-oxidation healing.

实验表明：系统的密封质量对能否实现无氧化加热至关重要。

Our insulating glass, soundproof and heat resistant, is good at water & air tightness and can proof water and wind.

中空玻璃设计，隔音隔热，具有极佳的水密性和气密性，防风防水。

For the actuators with pneumatic diaphragms or air cylinders the matching flame-proof type electric-gas valve positioner shall be provided together with the valve.

执行机构采用气动薄膜或气缸执行机构的，随阀提供配套隔爆型电？气阀门定位器。

Use cases to proof that the cost accumulative curve technique and network optimize technique can be applied to manufacture phase of air-preheater to control the cost.

以案例证明了在预热器制造环节中是可以应用成本累计曲线法和项目网络优化技术来控制产品制造成本的。

Result: the damp proof effect enhanced with the increase of inlet air temperature and the decrease of flow rate and air pressure.

结果：微囊防潮效果随着进风温度的提高、供液速度的降低、雾化气流速的降低而增强；反之则减弱。

Oil air compressor and all the appearance of dust and other pollution caused by the appearance of the machine. Both rust-proof function.

适用于发动机外表、空压机外表及一切污垢积尘等造成的机器外表污染，兼有防锈功能。

The results show that the formed transparent and porous web film can impart the wool fabric felting and water proof functions, as well as air permeability and soft handle.

结果表明，溶胶-凝胶处理后，在羊毛织物上形成透明多孔的网状薄膜，赋予其防毡缩性和拒水性，同时还保持良好的透气性和手感。

According to relative electrical explosion proof standards, explosion proof air conditioning equipment can be used for those warehouses where adequate ventilation is ensured.

根据相关电气防爆标准，认为防爆空调设备可以在保证通风的前提下在化学危险品仓库中使用。

The characteristic, equipment and technology of preparing zinc powder using air-proof submerged arc furnace are discussed, on the other hand, the plant practice is also introduced.

介绍了矿热电炉生产锌粉的工艺特点，主要工艺设备特点及设备技术特征，以及实际生产的应用效果。

An air dry dilatant fire-proof coatings has been developed with a optimized formulation.

通过配方条件初探和配方优化，研制成室温快干的膨胀型防火涂料。

Air compressor Surge proof control is key in compress section in ASU, Surge proof control affect the air compressor itself safety, therefor air compressor configuration is important.

空分装置中空压机的防喘振控制是压缩工段的关键，防喘振控制的好坏直接关系到空压机设备的安全，因此空压机控制组态十分重要。

Suggests that more detailed regulations on choice of explosion proof air conditioning equipment and design of air conditioning in dangerous chemicals warehouses be added.

有必要对防爆空调设备的设计选用和化学危险品仓库空调设计作出更详细的规定。

Explosive environment: It is necessary to choose the appropriate level of explosion-proof products, open-air installation or dust should be used more occasions waterproof, dust-proof varieties.

爆炸性环境：必须选用相应防爆等级产品，露天安装或粉尘多场合应选用防水，防尘品种。

The wiring harness of automotive lamps works in wicked situations, thus it should meet the demands of water-proof, air tightness and so on.

摘要： 灯具线束工作在高温高湿、震动频繁的环境中，因此要求其具有防水性、耐高温、固定牢靠、与灯具配合的气密性等性能要求。

Good air permeability, waterproof, wind proof performance is the most important.

透气性好，防水，防风性能最要。

Cordage Fabric, Canvas, Automobile Tarpaulin, Air Inflating Mavelock, Water-proof Cloth, Construction Fabric, Filter Fabric, Bag Material, Lawn Establishment.

涂层织物、帆布、汽车帐篷、冲气材料、遮阳布、防水布、灯箱广告布、海滩伞、建筑织物、过滤织物、制袋材料、草坪设施。

The unit casing shall be air tight at low and high pressure, units to be installed open to weather shall be weather proof type.

部件的层面在低压和高压下应具有气密性。安装在室外的部件应具有耐候性。

The application and existing condition of explosion proof air conditioning unit made in China are introduced and comparison of technical economy situations in different schemes is given.

针对国产防爆空调机组的应用及现状作了介绍，并对不同方案的技术经济情况进行了对比。

It has high air tightness, high water tightness, high intensity and excellent heat insulating, winter proof and sound insulating performance.

高气密性、高水密性、高强度以及优异的隔热、防寒、隔音性能。

Air-cooled design and explosion-proof control box.

风冷 式 设计及防爆箱控制。