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Meaning of 缓降器

Lookup via: Pinyin | Radicals
huǎn jiàng (Trad.: 緩降器)
cable reel and harness used to lower oneself to safety (e.g. from a building on fire)
Example Sentences
1
Equip the high-grade inner hydraulic pressure slow descent enginery.
2
使寿
便
The products including descending life line, automatic diffusion extinguisher, etc. are scientifically designed, easily installed and of stable performance and long use life.