Surge suppression devices shall be provided across the contacts since almost all loads are inductive .

鉴于几乎所有荷载都是感应的，应安装穿过触点的电涌抑制装置。

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Optical amplifier, optical amplifying apparatus, optical transmitter and optical surge suppression method.

光学放大器，光学放大装置，光学发射机及光涌抑制方法。

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Optical amplifier, optical amplifying apparatus, optical transmitter for use in optical communications system, and optical surge suppression method for optical amplifier.

光学放大器，光学放大装置，光学发射机及光涌抑制方法。

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