unreactive hydrocarbons
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独特，调节先导救济行动与有能力处理好热水，蒸汽，热水的碳氢化合物蒸气或液体，使用惰性塑料软商品软座椅阀。
Unique, modulating action pilot operated relief valve with soft seats having the ability to handle hot water, steam, hot hydrocarbon vapors or liquids, using inert plastic soft goods.
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