Tube socket

... 电容Capacitors 电阻Resistor 电子管座Tube socket ...

 valve socket

... ball-and-socket valve 球形阀 valve socket 阀座 ; 电子管座 socket-end straight valve 内螺纹联接直通阀 ...

 vacuum tube socket

... valve amplifier 释义：电子管放大器 vacuum tube socket 释义：电子管座 valve voltmeter 释义：电子管电压表 ...

 valve holder

... valve head 阀头 valve holder 电子管座 valve holder 管座 ...