- 先通后斷轉(zhuǎn)換觸 點(diǎn)
- break before make contact: 先斷后合觸點(diǎn)
- break before--make contact: 先開(kāi)后合觸點(diǎn)
- break-before-make contact: 先斷后合; 先開(kāi)后合觸點(diǎn)
- make before break contact: 先接后斷切換觸點(diǎn)
- make-before-break contact: 先閉后開(kāi)觸點(diǎn); 先合后斷觸點(diǎn); 先合后斷角點(diǎn); 先合后斷接點(diǎn); 先接后斷觸點(diǎn); 先接后離觸點(diǎn)
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