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azimuth tracking
 azimuth tracking
avia. 方位角跟踪
| telescope
 telescope
gen. 封住有利角度
bridg.constr. 镜筒
met. 套筒; 落料管
oil 叠生
space 叠缩; 嵌进; 可伸缩套管

to phrases
azimuth tracking
avia. 方位角跟踪
space 方位跟踪
azimuth tracking telescope
: 14 phrases in 4 subjects
Aviation3
Electronics1
Space5
Technology5