【电】 source transition loss
fountainhead; source
【医】 source
change; shift; switch; transform; transition
【计】 change-over; conversion; convert; cut-over; handover; translate
translating; translation
【经】 convert; switching
loss; spoilage; ullage; waste; wear down
【计】 dissipative
【化】 loss
【经】 loss in weight; waer and tear