| 释义 |
安全灯ānquándēng
1.在矿井里用的可以防止引起混合气爆炸的灯。灯上有铜丝网罩,可以放散灯焰四周的热量。根据它的火焰变化,又可以估计矿井内气体的含毒量。{safety lamp; miner's lighting device constructed to prevent immediate ignition of explosive gases. A copper-wire gauze cover is fixed on it to disperse the heat around the lamp. Changes in the lamp's oil-fuelled flame help determine the density of noxious gases in a mine.}
2.泛指电压低于36伏或有安全设备的照明用具。{(in a broad sense) lighting equipment below 36 volts or fixed with a safety device}0 |