滤材耗费高，不能过滤真正的污油。
The filter material cost is high, can't filter real oil pollution.
您不能设置低于处理器的基本日志级别的日志级别过滤器。
You cannot set a logging level filter lower than the base level of a handler.
对于不能找到的产品(价格为NULL)，可以将其过滤掉。
Items that could not be found (their price is NULL) can be filtered out.
过滤设备的耐压能力有限，压力不能太高。
The pressure filtration equipment ability is limited, the pressure does not too high.
但是标准的血液过滤器并不能滤去这些体积较小的细胞。
但是标准的血液过滤器并不能滤去这些体积较小的细胞。
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