a whole period of main field growth
Main circuit
主回路
主电路
主要回路
总电路
主电路结构
主控电路
功率电路
干路
干缆
矢量控制算法
昼路
Straight emergency of inverted main circuit
a system of a major field of specialization plus a minor field
added electric field and magnetic field
adjustment between wind field and pressure field
coupling for seepage field and stress field
coupling seepage field and stress field
dark field and bright field incident light microscope
deep-basin gas field beneath Daqing oil field
field in field technique
flow field and concentration field of alloying element
Irrigated field and dry field ecological type
enlarged circuit and compensation circuit
1 000 kV main transformer
10CrMo910 main steam pipeline