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20151212 One question per day

2015-12-12View Original

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20151212 Daily Question: The rewards are as follows: 1-3 points for participation, 5 points for a correct answer, and 8-10 points for a correct answer accompanied by an analysis. What should be the voltage of the power supply for elevator bridge lighting and shaft lighting? A. 24V B. 36V C. 110V D. 220V The answer is B
Reply #22015-12-12
The supply voltage for lighting in the elevator bridge and shaft should be (B.36V).
Reply #32015-12-12
B, 36 volts, voltage for confined spaces
Reply #42015-12-12
B, 36v----------------------------

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Translated at 2026-07-21 01:07:59

Original: https://bbs.hcbbs.com/thread-1515746-1-1.html

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