您要查找的是不是：
- 電electricity
- 電路circuit
- 水電(n) hydroelectric power
- 用電electro-
- Roller核Roller's nucleus
- blood pressure 血壓BL PR, bl.pr.
- 電的telephonic
- 電熱galvanothermy
- (=positive pressure) 正壓pos.pr.
- quill roller (軸承的)滾針
- 電位electric potential
- ground roller (水流的)底部旋滾
- (=atmospheric pressure) 大氣壓力atm. press.
- loading roller (拖拉機)負荷滾輪
- 電場(chǎng)electric field
- Pressure-State-Respond（PSR）Pressure-State-Respond(PSR)
- pinch roller (磁帶機用)壓輪
- 上電electrify
- stepped roller (旋壓用)臺階旋輪
- 電吉他electric guitar
