Русско-английский научно-технический словарь
цепь замыкается
• The strip makes momentary contact with the upper bar; as a result, a circuit is completed (or closed) and the machine is started.
Русско-английский научно-технический словарь
• The strip makes momentary contact with the upper bar; as a result, a circuit is completed (or closed) and the machine is started.