1. 插头 墙上灯座：Hehner number [分化]亥纳值 | wall plug 插头 墙上灯座 | star pinion 链轮

2. 壁式插座：wall 壁;墙 | wall plug 壁式插座 | war risk clause 战时险条款

3. 裸井堵塞：井壁锁紧装置 wall lock device | 推靠井壁检波器 wall lock seismometer | 裸井堵塞 wall plug

4. 壁板：wall panel 壁板 | wall plug 壁板 | wall plug 壁式插座

noun

1. receptacle providing a place in a wiring system where current can be taken to run electrical devices

Synonym: wall socketelectric outletelectrical outletoutletelectric receptacle