... 喷油器滤芯 fuel filter for injector 机油细滤器 secondary oil filter 毛细滤器 capillary filter ...
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secondary fuel oil filter 燃油精滤器
Fuel oil secondary filter 细滤油器
secondary brake release oil filter 辅助制动松放油滤清器
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Aiming at the poor effect of amino nitrogen degradation in conventional refinery oil sewage treatment, the secondary biochemical test was carried with biological aeration filter pool.
针对炼油厂含油废水的常规生化处理工艺对氨氮的降解效果较差，采用曝气生物滤池作为二级生化进行试验研究。
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