单选题Electrical leads and insulation on a motor should be painted with（）.Aheat-resisting acrylicBheat-resisting aluminumCinsulating varnishDinsulating white lead
单选题
Electrical leads and insulation on a motor should be painted with（）.
A
heat-resisting acrylic
B
heat-resisting aluminum
C
insulating varnish
D
insulating white lead
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