过滤器毂体应由不锈钢制成，或内表面要涂环氧树脂防止腐蚀。
The filter vessel should be made of stainless steel or the interior surface should be coated with an epoxy to prevent corrosion.
保养不好—空气，动力，液体，过滤器，腐蚀，灰尘，清洁等。
Poor maintenance -air, power, liquid, filter, corrosion, dust, clean.
螺纹，法兰和焊接等连接方式，耐腐蚀并内置过滤器。
Threaded, flanged and welding connections, corrosion and built-in filter.
由于水有强腐蚀性，要求过滤器的壳体及滤芯使用抗腐蚀的材料。
Because water has strong causticity, the shell and core of the filter are required to be made of resistant causticity material.
由于水有强腐蚀性，要求过滤器的壳体及滤芯使用抗腐蚀的材料。
Because water has strong causticity, the shell and core of the filter are required to be made of resistant causticity material.
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