衰减器采用金属蒸发镀膜衰减片作为衰减元件，连续衰减和步进衰减相结合。

Glass plates deposited with metal through vapor deposition were used as attenuation elements.

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衰减器采用金属蒸发镀膜衰减片作为衰减元件，连续衰减和步进衰减相结合。

Glass plates deposited with metal through vapor deposition were used as attenuation elements.

youdao