您要查找的是不是：
- 电electricity
- 集电环转子collector ring rotor
- 集电极;集电阳极collecting anode
- 复合式集电区composite collector
- 箔leaf
- 电路circuit
- 摩擦集电材料sliding-collecting-current materials
- 合集union
- 水电(n) hydroelectric power
- 用电electro-
- 分集diversity
- 集群colony
- 电的telephonic
- 集线器hub (network)
- 电热galvanothermy
- 歌集songbook
- 电位electric potential
- 并集union of set
- 电场electric field
- 群集throng
