"喷涂压料罐" can be translated as "spraying pressure feed tank" or "spray pressure material feeding tank" in English, depending on the specific context and industry terminology preferences.
"Spraying pressure feed tank" emphasizes the function of feeding material under pressure for spraying purposes.
"Spray pressure material feeding tank" provides a more detailed description, highlighting the spraying process, the pressure involved, and the material feeding aspect.
In many industrial settings, the first option, "spraying pressure feed tank," is likely to be sufficient and commonly understood. However, if greater specificity is required, the second option may be more appropriate.