cable reel and harness used to lower oneself to safety (e.g. from a building on fire)
trad. 緩降器
Also written 緩降器【huǎn jiàng qì】
cable reel and harness used to lower oneself to safety (e.g. from a building on fire)
trad. 緩降器
Also written 緩降器【huǎn jiàng qì】