An air pressure regulating relay is arranged in a circuit in the cabinet to cut the circuit in time when air leak happens in the cabinet body to make the air pressure in the cabinet too low.

柜内的电路中还装有气体压力调节继电器，以便在柜体漏气造成其内气压过低时及时切断电路。

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Respectively through the various contacts, in order to dial the corresponding limit switches and over current relay normally closed contacts, to see the ability to cut off the control current.

①分别接通各个接触器，依次拨通相应的限位开关和过电流继电器常闭触头，查看其切断控制电流的能力。

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The Mets allowed a run and cut off the relay after Jay's two-out RBI double to the gap in right-center.

WSJ: Cardinals get to Mets bullpen in 4-2 win