当需要喷涂或喷焊时，关闭高压氧阀，打开送粉阀(4)，热喷涂装置即可工作。
When objects require spray coating or spray welding, the user can close the high-pressure oxygen gas valve and open the powder feeding valve (4), so the hot spray device can work.
方法自动通风换气系统由2个电动调节阀、1个交流接触器、1个开关、1台测氧仪、少量无缝钢管组成。
Method The automatic ventilation and gas exchange system consisted of 2 electronic modulators, alternating current contactor, 1 switch, 1 oxygen meter and some seamless steel tubes.
将氧-乙炔粉末喷焊技术用于渣浆阀耐磨表面的强化。
In this paper, the oxyacetylene flame alloying powder spraying technology was used to strengthen the wear-proof surface of slurry valve.
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