【電】 self cleaning contacts

自的英語翻譯：

certainly; from; of course; oneself; self; since
【建】 auto-

清潔的英語翻譯：

cleanness; pureness; purgation
【經(jīng)】 clean-up

接觸的英語翻譯：

contact; contiguity; get in touch with; meet; osculate; osculation; tangency
touch
【醫(yī)】 c.; contact; contiguity; hapt-; hapto-; per contiguum; taction; tactus
touch