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微调发动机
mech.eng. vernier
space vernier engine; vernier motor; vernier thruster
tech. vernier rocket
微调〔起飞,小推力,第一级火箭,喷气推进系统〕发动机
gen. thruster; thrustor
微调发动机
: 14 phrases in 6 subjects
Automobiles2
Aviation4
Construction1
Electronics1
General1
Space5