单选题Water allowed to accumulate in the hydraulic system oil will cause an oxidation process producing by- products which are normally （）.Agums, acids, and varnishesBremoved by cellulose type filtersCneutralized by oil additivesDnot removed by absorbent filters
单选题
Water allowed to accumulate in the hydraulic system oil will cause an oxidation process producing by- products which are normally （）.
A
gums, acids, and varnishes
B
removed by cellulose type filters
C
neutralized by oil additives
D
not removed by absorbent filters
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