normally closed造句怎麼寫

Yang Liwei detailed the next stages of China's human spaceflight programme during a press visit to Space City in Beijing, a research and training centre normally closed to the public.

These valves can be normally closed, normally open or universal.

Both integrated PNP switch outputs are freely programmable, allowing the user to adjust the limit value, hysteresis, and functionality type (normally closed or normally open) as needed.

The normally closed contact of the Model 7169A serves to discharge the capacitor after it has been measured.

normally closed push button switch

Three (3) normally closed, automatic reset thermostats connected in series shall be embedded in adjoining phases of the stator windings.

Usually divided into normally open, normally closed and self-holding three.

This paper introduced the setting of anti-car-running device in inclined lane orbit track and the application of two normally closed anti-car-running device.