英语翻译one voltage free normally open sensing contact of rating

英语翻译one voltage free normally open sensing contact of rating 英语翻译open-circuit voltage of the original circuit. Voltage free dry contact 翻译成中文是什么? 英语翻译magnitude of voltage? No voltage,Without contact 英语翻译Some contacts are normally open (Abbreviated "n.o." or " 英语翻译全句是potential free relay contact 英语翻译The sensing behavior of the nanotube/AAO membrane sensor 英语翻译Rating 12A 250VAC15A 250VAC Contact resistance 0.03 Insu 英语翻译Eye contact is one of the most important forms of body l 英语翻译Eye contact is one way of measuring zhe degree of closen 英语翻译想问下open-Δ open-Y改怎么翻译啊比如：The low-voltage connections are