How To Use Electric main In A Sentence

• The software has important consulting meaning to the design of high speed electric main shafts.
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• The writing at the entrance of the building that was pasted after the incident urging residents to go to their houses and switch off the gas regulators and electric mains, is still there.
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• The storm fused the electric mains
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• Electrical plug device including optical plug and socket connectors, terminal clamps connecting to electric mains, and an electronic bus coupler
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