ruhmkorff
1. Batteries recharge - in working order. Waterproof Ruhmkorff carbon dioxide flashlight. It can be used underwater. Could be combined with a diving suit.
电池充电后已可用了。防水可夫感应线圈二氧化碳闪光灯。可在水里使用。可以和潜水服组合。
2. Ruhmkorff's coil
鲁姆可夫(氏)感应圈:一种副线圈不能活动的感应线圈
3. Ruhmkorff coil
鲁姆阔夫感应线圈