并联管路
pipelines connected in parallel
Parallel pipeline
bypass line
并联组合机构
combined mechanism of parallel connection
parallel combined mechanism
串并联组合系统
Series-parallel connected system
串联、并联变迁化简
simplification of sequent and parallel transition
串联并联
multiple-series connection
串联并联结构
series-parallel structure
大水泵机组并联运转
big pump unit parallel running
定子绕组并联支路环流
stator winding parallel branches circulating current