The hold switch deactivates the buttons on the cassette holder.

HOLD开关可使卡带架上的钮键失效。

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The utility model belongs to a welding holder type controller used for controlling the on-off of a welder, mainly comprising a transformer, a contactor, a relay and a switch indicator circuit.

本实用新型属于一种控制焊机启闭的焊把式控制器，其主要由变压器、接触器、继电器、开关指示电路所组成。

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A teaching demonstration circuit board consists of a receiver, a battery holder, a steering engine, a touch switch, a transmitter, a steering box and light emitting diodes.

一种教学用演示电路板，由接收机、电池盒、舵机、触碰开关、发射机、舵盒、发光二极管组成。

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Theoretically, every car-insurance policy holder could switch carriers a couple of times a year, because most policies have six-month terms.

FORBES: Car Insurers Lose Traction Despite Deluge of Advertising