Traditional Culture Encyclopedia - Traditional stories - Please explain how big the ceiling spotlights are usually turned on.
Please explain how big the ceiling spotlights are usually turned on.
Explain how big ceiling spotlights are generally turned on; Generally, the 3W opening is 6.5-8mm, and the 5W opening is 7.5-9 mm. .
If it is a large W number, the relative opening is larger.
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