preventer

Development and Application of Water-based Rust Preventer for Cast Blank

铸件毛坯水基防锈剂的研制与应用

Developing a rust preventer for CO_2 shielded are welding wire

二氧化碳气体保护焊焊丝防锈剂的研制

The backflow preventer must be installed upstream of the regulator.

防倒流装置必须安装在调节阀的上游位置.

Slowly open upstream shutoff and allow the backflow preventer to fill slowly.

慢慢开启上游关闭阀,让防回流阀慢慢注水.

The results show that the rust preventer functions fairly well.

结果表明该防锈剂的防锈效果显著.

A variety of schemes to either block up or seal off the blowout preventer are in development.

各种各样的计划，要么堵塞要么封闭防喷器的发展。

Installing a backflow preventer in a pit or vault is not recommended.

不建议在坑内或拱顶内安装防回流阀.

The paper describes the performance and production application of the surface rust preventer developed to protect the CO2 shielded arc welding wires from rusting.

介绍了为解决二氧化碳气体保护焊焊丝锈蚀问题而研制的表面防锈剂的性能及其在生产上的应用。

A triple purpose product featuring a toilet tank ball cock fill valve, anti-siphon backflow preventer, and a thermal expansion relief valve.

一种三用产品，具有马桶水箱浮球注水阀，反虹吸防回流阀，和热膨胀安全阀。

Sealing characteristics of rubber core in the through-tubing blowout preventer Wire Line Explosive Recondition Technology of Downhole Breakdown Casing through Tubing

过油管防喷器胶芯的密封特性过油管电缆传输爆炸打通道工艺技术

Test and Application of WCI-1 Water-Solved Rust Preventer

WCI-1水溶性防锈剂试验和使用

Backflow preventer manufactured from 300 Series stainless steel for corrosion resistance.

防回流阀采用耐腐蚀的300系列不锈钢制造.

We have been repairing the control system for b 1 owout preventer.

我们一直在修防喷器的控制系统.

Contact the factory for specific approvals on the reduced pressure backflow preventer.

如果需要特殊的减压防回流阀的认证,请与工厂联系.

For use with backflow preventer test cocks to protect from damage.

用于防回流阀测试旋塞,防止受到破坏.

We need to paint the underneath with a rust preventer.

我们需要用防锈漆把底部刷一下。

The trip preventer uses the inertia in up and down movement of the horsehead, through driving the rotating mechanism of the worm wheels and worms with balance wheel makes sucker rod revolve undirectionally, thus the trip accident can be prevented effectively.

抽油杆自动旋转防脱器是利用驴头上、下运动中的惯性，通过摆轮驱动蜗轮、蜗杆旋转机构，从而带动抽油杆作单向旋转，可以有效防止抽油杆脱扣事故的发生。

This paper gives a detailed description of the advantages of wrap lead cupelling method for the determination of gold and silver in bessemer copper. At the same time, the use of adhesion preventer is very important.

本文介绍了测定粗铜中金和银包铅灰吹法及其许多优点，同时认为，使用好防粘剂是很重要的。

Development and Application of Sulphate Rust Preventer

硫酸型除锈液的研制与应用

The auxiliary line shall consist of an approved backflow preventer and water meter.

辅助管路应该由通过认证的防回流阀和水表构成.

The next approach to the well will focus on the the blowout preventer.

下一步措施将集中于防喷器口.

Development of Low Hydrochloric Acid Rust Preventer for Steel

钢铁低浓度盐酸酸洗添加剂研制

If you use preventer medicine , take it asby your doctor or asthma nurse.

如果你在使用预防药,最好按照说明或遵从医嘱.

Four required per backflow preventer.

每个防回流阀需要四个.

Other medicines are also available-include long-acting reliever and preventer tablets.

还有一些其他的 长效 的缓解类和预防类药物的片剂.

The shutoff valve with the test cock is to be mounted on the inlet side of the backflow preventer.

带测试旋塞的关闭阀安装在防回流阀的进口一侧。

We do not use this valve to control the blowout preventer.

我们不用这个凡尔控制防喷器.

Ram-type blowout preventer is important equipment used in oil drilling operation.

闸板防喷器是石油钻井过程中的一种重要设备.

The blowout preventer was made by Cameron International, a specialist engineer.

而防喷装置是卡梅伦国际(一家专业工程公司)承建.

This paper describes the preparation and service effects of a self-made rust preventer containing chlorhydric acid, organic acid, corrosion remover and water used for radiators and fuel tanks.

介绍了以盐酸、有机酸、缓蚀剂和水为原料自制的散热器与燃油箱除锈剂的配制方法和使用效果。