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回流区 huíliúqū
avia. recirculation zone
hydroel.st. backflow area; return flow zone
railw. recirculating zone
space recirculation zone (燃烧室内)
tech. back eddy area; backflow region; return activated region; return activated zone; return current zone; return flow range
wind. flow recirculation zone; recirculation region
回流区: 7 phrases in 5 subjects
Aviation2
Earth sciences1
Electronics1
Metallurgy2
Wind Energy1