【電】 self-wiping contacts

自的英語翻譯：

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

抹的英語翻譯：

apply; mop up; plaster; put on; slip off; smear; wipe

擦的英語翻譯：

mop; brush; rub; scour; scrape; scratch; wipe

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