Việt
rơle hơi
rơle khí
rơle Buchholz
Anh
buchholz relay
gas relay
gas and pressure-actuated protective relay
gas-bubble protective device
buchholz relay, gas relay /điện/
buchholz relay, gas relay /điện lạnh;điện;điện/
Buchholz relay, gas and pressure-actuated protective relay, gas-bubble protective device