- fiber optic attenuation tester
- 光纤: fibre-optical
- 衰减: attenuation; decay; damping; ...
- 测试: test; testing; checkout; mea ...
- 器: implement; utensil; ware
- 光纤衰减测试仪: fiber optic attenuation tester; fibre optic attenuation tester
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