| |||
normality closed contact | |||
non-normal contact | |||
NC contact | |||
constant close contact | |||
closed contact | |||
normally-closed contact | |||
permanent closed contact | |||
normally closed contact | |||
| |||
break contact | |||
| |||
normally-closed contact | |||
| |||
normal closed contact |
常闭触点: 7 phrases in 6 subjects |
Aviation | 2 |
Drilling | 1 |
Electricity | 1 |
Electronics | 1 |
Metallurgy | 1 |
Technology | 1 |