1. an electrical switch that breaks the circuit in air — compare oil-break switch
air break 例句
英汉例句
drains should be of adequate size and should be provided with an air break or a suitable device to prevent back-siphonage, when appropriate.
排水沟应有足够的大小,应根据适当的情况,提供空气短路器或合适的设备以防止反吸。
simplified design: vacuum breakers and contactors are simpler in design than original air break devices.
被简化的设计:真空破碎机和接触器是简单在设计比原始的空气断裂设备。
many elements such as models of fuse plug and circuit breaker, the connecting terminal of inlet and outlet wire and air break switch can be installed in the meter box.