接通电源前，应确保开关处于断开位置。

Make sure switch is OFF before turning on power.

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表示弹簧复位（断开）。右击断开或接通电路。

Represents a spring return (break). Right-click to open and close the circuit.

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表示弹簧复位(闭合)。右击断开或接通电路。

Represents a spring return (make). Right-click to open and close the circuit.

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接通电源前，应确保开关处于断开位置。

Be sure to turn off the switch before recharging.

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可指定开关为断开或接通。

Right-click for open or held closed.

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接通电源前，应确保开关处于断开位置。

To release from a closed or fastened position.

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右击接通或保持断开。

Right-click for closed or held open.

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右击接通或保持断开。

Right-click for closed or held open.

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