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vortex-rings
desert. 涡旋环
vortex ring
avia. 涡环性能
tech. 环形涡流; 涡轮;
transp. 涡轮〔环〕
wind. 涡环
vortex-ring
hydroel.st. ; 涡轮
vortex-rings
: 9 phrases in 5 subjects
Aviation2
Desert science1
Earth sciences1
Technology1
Wind Energy4