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亚声速
 亚声速
avia. subsonic speed; subsonic
| 前缘
 前缘
bridg.constr. front edge
mining. front
skydive. slat
space leading edge
tech. leading edge; advancing edge; anterior border

to phrases
亚声速
avia. subsonic speed; subsonic
oil subsonic velocity
亚声速
: 64 phrases in 9 subjects
Aviation15
Compressors1
Construction1
Earth sciences1
General3
Hydroelectric power stations1
Nautical1
Space27
Technology14