格雷汉姆的主要产品是真空喷射器、液环泵、冷凝器等以及整套真空系统，在全球多个工业领域有着广泛的应用。
Graham major products are the ejectors, liquid ring vacuum pumps, condensers, heat exchangers, and complete vacuum systems used every day by people throughout the world.
格雷汉姆的主要产品是真空喷射器、液环泵、冷凝器等以及整套真空系统，在全球多个工业领域有着广泛的应用。
Graham major products are the ejectors, liquid ring vacuum pumps, condensers, heat exchangers, and complete vacuum systems used every day by people throughout the world.
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