- normally closed contact
- normally closed interlock
- 常闭: normal close
- 触: touch; contact
- 头: 5点就得动身 have to start before ...
- 常闭触点: contact normally closed; n.c.(normal closed ) contact; normally closed contact; normally-closed contact; permanent closed contact
- 继电器常闭触点: relay n.c. contact
关注微信公众号:chachacidian,回复:常闭触头,即可在微信中查询翻译