... loss of field 磁场损耗，失磁 loss of filter material 滤料的损耗 loss of flame 火焰丧失 ...
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The major problems in this technology are PAC penetrating filter material layer and the great shorten of the filter cycle owing to the growth rate of filter head loss is so quickly.
该投加点面临的主要问题是活性炭穿透滤料层以及水头损失过快增长导致滤池过滤周期的大幅度缩短。
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