Metal outside shell, Strong anti-interference ability, good heat dissipation.

金属外壳，抗干扰能力强，散热好。

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Both materials can't resist the corrosion of strong oxidable acid. The fluorine alloy pump has a metal shell pipeline and outside.

氟合金泵的外壳为金属材料，有足够的强度承受管道以及外界的机械冲击。

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