机械，电气寿命：10,000使通断满负荷周期，每个电路。

MECHANICAL and ELECTRICAL LIFE: 10,000 make-and-break cycles at full load, each circuit.

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您应当在周期的每个时刻都测试超负荷。

You should test for the overload at each point of the cycle.

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您应当在周期的每个时刻都测试超负荷。

You should test for the overload at each point of the cycle.

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