有效铁心束长度
active core-packet length
四极磁铁有效长度
The effective length of a quadrupole
T形件有效长度
effective length of T-stub
车架有效长度
chassis frame useful length
door width
电枢绕组导线的有效长度
active length of armature winding
光通道有效长度
amicable orthogonal design
轨道有效长度
effective length of track
接收天线有效长度
effective length of receiving antenna
天线有效长度
effective length of antenna
antenna
effective length of