The inlet pipe of each pump has a magneticfilter to absorb metal substance in oil.
每个油泵的进油管路上都装有一个磁性滤油器，吸附透平油中的金属杂质。
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This paper USES new technique and new structural principle to develop a high efficiency of magneticoil-filter. Filter performance and it's use are superior to current magneticoil-filters.