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制导和导航
 制导和导航
avia. guidance and navigation
| 设备
 设备
gen. gear
environ. equipment; fitting
hydroel.st. appliance
met. attachment; contrivance
sport. facility

to phrases
制导和导航
avia. guidance and navigation
制导和导航
: 26 phrases in 5 subjects
Aviation12
Earth sciences1
Navigation1
Space9
Technology3