... 继电器吸起 relay energized 继电器箱relay case 继电式电气集中联锁 all-relay interlocking ...
双语例句
1
He carried a radio so he could call commercial airline pilots to relay messages in case of emergency, but he discovered that it wasn't working.
他随身携带了无线电设备，以便在紧急情况下呼叫经过这里的飞行员，但最终发现设备根本不起做用。
2
Method chaining USES return values from methods to relay instruction context, which in this case is the object instance making the first method invocation.
方法链接使用方法的返回值来中转指令上下文，在这种情况下是进行第一个方法调用的对象实例。
3
Control case with the relay of PLC replacing old equipment, make produce renew, have given some replacing step and method.