- 搜標(biāo)題
- 搜題干
- 搜選項(xiàng)
單項(xiàng)選擇題
The greatest detrimental effect on idle electrical equipment, such as cargo pump motors, is the（）.
A.loss of residual magnetism
B.absorption of moisture in the insulation
C.insulation varnish flaking
D.dirt collecting on the windings
你可能感興趣的試題
