您要查找的是不是：
- 电electricity
- 电路circuit
- packing density (粒状材料)堆积密度
- 水电(n) hydroelectric power
- 用电electro-
- 电的telephonic
- Packing问题Packing problem
- 电热galvanothermy
- Packing维数packing dimension
- 电位electric potential
- P2-PackingP2-packing
- 电场electric field
- 矩形packingRectangle packing
- 圆形packing问题circle packing problem
- 上电electrify
- 三角形Packing问题Triangle Packing Problem
- 电吉他electric guitar
- 正交矩形Packing问题the orthogonal rectangular Packing problem
- 变电power transformation
- 弱电light current
