The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the（）.
- Aloss of residual magnetism
- Babsorption of moisture in the insulation
- Cinsulation varnish flaking
- Ddirt collecting on the winding
问题
The greatest detrimental effect on idl
参考解析：
分类：船舶电气与船舶安全题库
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