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to phrases
rocket motor
avia.
火箭包
space
火箭发动机
(常指固体推进剂的火箭发动机或混合式发动机)
;
火箭发动机
rocket-motor
gen.
火箭发动机
rocket motor
:
93 phrases
in 8 subjects
Astronautics
1
Aviation
9
Earth sciences
1
General
3
Mathematics
1
Space
74
Technology
2
United States
2
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