- total light flux
- total luminous flux
- 总: assemble; gather; put togeth ...
- 光通量: light flux; luminous flux; p ...
- 总光通量标准灯: luminous flux standard lamp
- 总光通量标准灯泡: standard lamps for the measurment of luminous intensity and luminous flux
- 光通量: light flux; luminous flux; pharos
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