- optical fibre amplifier
- 光纤: fibre-optical
- 维: tie up; hold together; link
- 放大器: amplifier; pantograph; lawnm ...
- 纤维放大器: fibre amplifier
- 光纤放大器: foa fiber optic amplifier; ofa optical fiber amplifier; opa optical fiber amplifier; optical fiber amplifiers; optical fibre amplifier
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