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It was found that intensity of optical signal was determined only by the materials evaporation amount.
发现等离子体光辐射强度仅受被焊材料蒸发量的影响.
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The transformer's work state can be watched. The optical signal is transmitted by optical fiber.
变压器的工作状态用频谱吸收方法监测,由载信号的光束通过光纤传送给设备观测.
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