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pressure regulator /ˈpɹɛʃə ˈɹɛɡjʊlˌeɪtə/ n

中文：调压器

中文 · 调压器Español · regulador de presiónFrançais · régulateur de pressionDeutsch · Druckregler
Meaning：Device maintaining the pressure at a constant level.
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Found in these illustrated scenes（5）

Propane or butane accessories Pressure regulator Oxy-acetylene welding Cookware II Direct-injection two-stroke engine

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