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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