后援部队被派赴前线.Troops in support were sent to the battle front.刘备带一千人马作后援.Liu Bei was given 1,000 troops as the Back up force.三五九旅的后援部队偷越过一片朦胧的山岭.Reserve units of the 359 th Brigade stole through the dark mountains....
Therefore, the magnetomotive force in the air gap is essentially proportional to the primary ampereturns squared.所以, 气隙中的磁动势实际上与初级安匝数的平方成正比.The centimeter - gram - second electromagnetic unit of magnetomotive force , equ...