火花检漏器 [真空] spark coil leak detector

漏斗型的火山口 funnel-shaped crater

漏电火灾报警系统 leakage fire alarm system

脉冲电火花检漏仪 Pulse spark leak detector ; Pulsed electric spark leak detector

漏下一火可人命关天 Lauq saek feiz sieng mingh

高频火花检漏仪 high frequency spark leak detector

防火漏电 fire proof resi

火花检漏仪 [真空] spark leak detector ; spark leakage detector

漏电防火系统 leakage fire-alarm system